Free JEE video lessons in English
1543 short video lessons for JEE Main and Advanced, one for every concept, each with two solved examples, chapters and a full transcript. Narrated with a computer voice. Full notes, practice and a free daily test are on rankdeterminant.com.
Maths 384 videos
Unit 1 · Sets, Relations & Functions
Chapter 1 · Sets
- What is a Set? 9 min
- Representation of Sets 9 min
- Types of Sets 9 min
- Subsets, Intervals and Power Set 9 min
- Universal Set and Venn Diagrams 9 min
- Operations on Sets 9 min
- Laws of the Algebra of Sets 9 min
- Counting: Number of Elements in Unions 8 min
- Ordered Pairs and Cartesian Product 9 min
- Chapter Summary: Mixed Solved Problems on Sets 9 min
Chapter 2 · Relations
- What is a Relation? 8 min
- Inverse of a Relation 8 min
- Types of Relations 8 min
- Equivalence Relations 9 min
- Equivalence Classes and Partitions 9 min
- Composition of Relations and Partial Orders 8 min
- Chapter Summary: Mixed Solved Problems on Relations 8 min
Chapter 3 · Functions I: Meaning, Domain, Range and Standard Functions
- What is a Function? 9 min
- Domain of Real Functions 9 min
- Finding the Range 9 min
- Standard Real Functions and Their Graphs 9 min
- Algebra of Real Functions 8 min
Chapter 4 · Functions II: Types, Composition and Inverse
- One-one and Many-one Functions 9 min
- Onto and Into Functions; Bijections 8 min
- Counting Special Functions 8 min
- Composition of Functions 8 min
- Inverse of a Function 9 min
- Even and Odd Functions 8 min
- Simple Functional Equations 8 min
Chapter 5 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: Sets 8 min
- Part B: Relations 9 min
- Part C: Functions 8 min
- Part D: Assertion–Reason and Concept Checks 9 min
Unit 2 · Complex Numbers & Quadratic Equations
Chapter 1 · Complex Numbers I: Algebra of Complex Numbers
- The Need for a New Number: i and its Powers 8 min
- Complex Numbers: Definition and Equality 8 min
- Algebraic Operations on Complex Numbers 9 min
- The Conjugate of a Complex Number 9 min
- The Argand Plane and the Modulus 8 min
- Argument, Polar Form and Euler Form 8 min
- Square Root of a Complex Number 8 min
- Solving Equations Involving z, bar z and |z| 8 min
- Chapter Summary: Mixed Solved Problems on Complex Algebra 8 min
Chapter 2 · Complex Numbers II: Geometry, De Moivre's Theorem and Roots of Unity
- Coordinate Geometry in the Argand Plane 9 min
- The Rotation Theorem 9 min
- De Moivre's Theorem and Powers of Complex Numbers 9 min
- Cube Roots of Unity 9 min
- The n-th Roots of Unity and of Any Complex Number 8 min
- Loci and Regions in the Argand Plane 9 min
- Chapter Summary: Mixed Solved Problems on Complex Geometry 8 min
Chapter 3 · Quadratic Equations
- The Quadratic Equation and the Nature of its Roots 8 min
- Relations Between Roots and Coefficients 8 min
- Forming and Transforming Equations 9 min
- Common Roots 8 min
- Equations Reducible to Quadratics 8 min
- Chapter Summary: Mixed Solved Problems on Quadratic Equations 8 min
Chapter 4 · Quadratic Expressions, Location of Roots and Inequalities
- The Graph and the Sign of a Quadratic Expression 8 min
- Maximum and Minimum Values; Range 8 min
- Location of Roots 8 min
- Quadratic and Rational Inequalities 9 min
- Quadratic Expressions in Two Variables 9 min
- Cubic Equations: Roots and Coefficients 9 min
- Chapter Summary: Mixed Solved Problems 9 min
Chapter 5 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: Complex Numbers 8 min
- Part B: Quadratic Equations and Expressions 9 min
- Part C: Concept Checks 9 min
Unit 3 · Matrices & Determinants
Chapter 1 · Matrices and their Algebra
- Matrices and their Types 8 min
- Addition and Scalar Multiplication 9 min
- Matrix Multiplication 8 min
- Powers of a Matrix and Special Matrices 9 min
- Transpose, Symmetric and Skew-symmetric Matrices 9 min
- Trace, Commuting and Orthogonal Matrices 8 min
Chapter 2 · Determinants
- Evaluating Determinants 8 min
- Properties of Determinants 8 min
- The Factor Theorem and Standard Determinants 8 min
- Products, Powers and Special Matrices 8 min
- Area, Collinearity and Calculus with Determinants 8 min
Chapter 3 · Adjoint and Inverse of a Matrix
- The Adjoint 8 min
- The Inverse of a Matrix 9 min
- Properties of the Adjoint 9 min
- Matrix Equations and Special Inverses 9 min
Chapter 4 · Systems of Linear Equations
- The Matrix Method and Cramer's Rule 8 min
- Consistency: One, Infinitely Many or No Solutions 8 min
- Homogeneous Systems 9 min
Chapter 5 · Mixed JEE Main-Pattern Problems
- Overview 7 min
- Mixed Problems: Set 1 (Matrix Algebra and Powers) 8 min
- Mixed Problems: Set 2 (Determinants, Adjoint and Inverse) 8 min
- Mixed Problems: Set 3 (Linear Systems) 8 min
Chapter 6 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 8 min
Unit 4 · Permutations & Combinations
Chapter 1 · Counting Principles and Permutations
- The Fundamental Principles of Counting 8 min
- Factorials and Permutations 8 min
- Forming Numbers 8 min
- Sums of Numbers and Digit Conditions 7 min
Chapter 2 · Arrangements with Conditions
- Arrangements of Objects that are not all Different 8 min
- Together, Apart and in Given Places 8 min
- Words from Some of the Letters 8 min
- Rank in Dictionary Order 7 min
- Circular Arrangements 7 min
Chapter 3 · Combinations
- Combinations and their Properties 8 min
- Selections with Conditions 7 min
- Identical Objects and Divisors 8 min
- Selection followed by Arrangement 6 min
- Counting in Geometry 8 min
Chapter 4 · Groups, Distributions and Derangements
- Overview 8 min
- Dividing Different Objects into Groups 8 min
- Identical Objects into Different Boxes 8 min
- Different Objects into Different Boxes 8 min
- Derangements 9 min
- Identical Boxes 9 min
Chapter 5 · Inclusion–Exclusion, Functions and Subsets
- The Inclusion–Exclusion Principle 8 min
- Counting Integers: Divisibility and g.c.d. 7 min
- Counting Functions 8 min
- Subsets and Pairs of Subsets 8 min
- Recurrences and Miscellaneous Counting 8 min
Chapter 6 · Mixed JEE Main-Pattern Problems
- Overview 7 min
- Mixed Problems: Set 1 (Numbers, Words, Arrangements) 8 min
- Mixed Problems: Set 2 (Selections, Divisors, Geometry) 7 min
- Mixed Problems: Set 3 (Distributions, Functions, Inclusion–Exclusion) 8 min
Chapter 7 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 8 min
Unit 5 · Binomial Theorem
Chapter 1 · The Binomial Theorem
- Factorials and Binomial Coefficients 8 min
- The Binomial Theorem 9 min
- Pascal's Triangle 8 min
- Using the Expansion: Surds, Estimates and Identities 8 min
Chapter 2 · The General Term
- The General Term and Terms from the End 8 min
- A Given Power of x; the Term Independent of x 8 min
- Middle Terms 8 min
- Rational and Integral Terms 8 min
- When a Term Has a Given Value 8 min
Chapter 3 · Coefficients: Conditions and Products
- Consecutive Coefficients 8 min
- Equal Coefficients and Unknown Constants 9 min
- Coefficients in Products 8 min
- Coefficients in Sums of Binomials 8 min
Chapter 4 · Sums of Binomial Coefficients
- Overview 7 min
- Basic Sums 8 min
- Weighted Sums: ΣrCᵣ and Relatives 8 min
- Sums with frac 1r+1: Integration 8 min
- Products and Squares: Vandermonde's Identity 8 min
- Every Second or Third Coefficient 8 min
Chapter 5 · Greatest Term, Divisibility and Remainders
- The Greatest Binomial Coefficient 8 min
- The Numerically Greatest Term 8 min
- Divisibility and Remainders 8 min
- Integer Parts and Fractional Parts 8 min
- Comparing Large Numbers and Approximations 8 min
Chapter 6 · Multinomial Expansions and Any Index
- The Multinomial Theorem 7 min
- Trinomials by Factorising 8 min
- The Binomial Theorem for Any Index 8 min
Chapter 7 · Mixed JEE Main-Pattern Problems
- Overview 7 min
- Mixed Problems: Set 1 (Terms and Coefficients) 9 min
- Mixed Problems: Set 2 (Sums of Coefficients) 8 min
- Mixed Problems: Set 3 (Greatest Terms, Remainders, Multinomials) 8 min
Chapter 8 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 8 min
Unit 6 · Sequences & Series
Chapter 1 · Arithmetic Progressions
- Sequences and Series 8 min
- The General Term of an A.P. 8 min
- The Sum of an A.P. 8 min
- Arithmetic Means and Common Terms 8 min
Chapter 2 · Geometric Progressions
Chapter 3 · Harmonic Progressions, Means and Inequalities
Chapter 4 · Special Series and Summation Techniques
- Sums of Powers of Natural Numbers 8 min
- The Method of Differences 8 min
- Telescoping Sums 8 min
- Recurrences, Pairing and Exponential Series 8 min
Chapter 5 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Mixed Problems: Set 1 7 min
- Mixed Problems: Set 2 8 min
- Mixed Problems: Set 3 8 min
Chapter 6 · Unit Problem Bank: Mixed Solved Problems
- Overview 7 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 8 min
Unit 7 · Limits, Continuity & Differentiability
Chapter 1 · Limits
- The Idea of a Limit 8 min
- Algebra of Limits and Algebraic Limits 9 min
- Limits at Infinity 9 min
- Trigonometric Limits 9 min
- Exponential and Logarithmic Limits 8 min
Chapter 2 · Further Techniques for Limits
- The Form 1^∞ 8 min
- Series Expansions 8 min
- L'Hôpital's Rule 8 min
- Greatest Integer, Fractional Part and the Sandwich Theorem 8 min
- Limits of Sequences and of Sums 8 min
Chapter 3 · Continuity
- Continuity at a Point 8 min
- Continuity on an Interval, and Combinations 9 min
- Functions Built from [x], x and Absolute Values 9 min
- The Intermediate Value Theorem 8 min
Chapter 4 · Differentiability
- The Derivative 8 min
- Piecewise Functions 8 min
- Counting Points of Non-differentiability 9 min
- Functional Equations 8 min
Chapter 5 · Methods of Differentiation
- Standard Derivatives and the Basic Rules 9 min
- Implicit and Parametric Differentiation 8 min
- Logarithmic Differentiation 8 min
- Inverse Trigonometric Functions and Substitution 9 min
- Higher Derivatives 9 min
Chapter 6 · Rates, Tangents, Monotonicity and Mean Value Theorems
- Rate of Change 8 min
- Tangents and Normals 8 min
- Increasing and Decreasing Functions 8 min
- Rolle's Theorem and the Mean Value Theorem 8 min
Chapter 7 · Maxima and Minima
- Local Maxima and Minima 9 min
- Absolute Extrema on a Closed Interval 7 min
- Optimisation Problems 8 min
- Extrema of Expressions, and Counting Roots 8 min
Chapter 8 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Mixed Problems: Set 1 8 min
- Mixed Problems: Set 2 8 min
- Mixed Problems: Set 3 8 min
Chapter 9 · Unit Problem Bank: Mixed Solved Problems
- Overview 9 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 9 min
Unit 8 · Integral Calculus
Chapter 1 · Indefinite Integrals: Standard Forms and Substitution
- Antiderivatives and the Standard Integrals 8 min
- Integration by Substitution 8 min
- Trigonometric Integrals 8 min
- Special Standard Forms 8 min
Chapter 2 · Integration by Parts, Partial Fractions and Special Substitutions
- Integration by Parts 9 min
- Partial Fractions 9 min
- Rational Functions of sin x and cos x; Irrational Integrands 9 min
- Reduction Formulae 9 min
- Harder Indefinite Integrals 9 min
Chapter 3 · The Definite Integral
- The Fundamental Theorem of Calculus 8 min
- Substitution and Integration by Parts in Definite Integrals 8 min
- Modulus, Greatest Integer and Piecewise Integrands 8 min
Chapter 4 · Properties of Definite Integrals
Chapter 5 · Leibniz's Rule, Integral Equations and Limits of Sums
- Leibniz's Rule 8 min
- Integral Equations and Differentiation under the Integral Sign 8 min
- Limits of Sums 8 min
Chapter 6 · Area of Bounded Regions
Chapter 7 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Mixed Problems: Set 1 8 min
- Mixed Problems: Set 2 8 min
- Mixed Problems: Set 3 8 min
Chapter 8 · Unit Problem Bank: Mixed Solved Problems
- Overview 9 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 8 min
Unit 9 · Differential Equations
Chapter 1 · Order, Degree and Formation of Differential Equations
- Order and Degree 8 min
- Forming the Differential Equation of a Family 9 min
- Solutions of a Differential Equation 8 min
Chapter 2 · Variables Separable and Growth–Decay Problems
- Separating the Variables 8 min
- Equations Reducible to Separable Form 8 min
- Growth, Decay and Other Rate Problems 8 min
Chapter 3 · Homogeneous Equations
- The Substitution y=vx 8 min
- Equations Reducible to Homogeneous Form 9 min
- JEE Advanced Questions: Homogeneous Equations 9 min
Chapter 4 · Linear and Bernoulli Equations
Chapter 5 · Exact Differentials and Applications
- Exact Differentials 8 min
- Geometric Applications 8 min
- Integral Equations, Functional Equations and Inequalities 8 min
- JEE Advanced Questions: Inequalities and Functional Equations 8 min
Chapter 6 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Mixed Problems: Set 1 8 min
- Mixed Problems: Set 2 8 min
- Mixed Problems: Set 3 8 min
Chapter 7 · Unit Problem Bank: Mixed Solved Problems
- Overview 9 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 9 min
Unit 10 · Coordinate Geometry
Chapter 1 · Points, Triangles and Loci
- Distance and Section Formulae 8 min
- Area and Collinearity 8 min
- Centres of a Triangle 8 min
- Locus and Change of Axes 8 min
Chapter 2 · The Straight Line
- Slope and Forms of a Line 8 min
- Angles, Intersections and Families of Lines 8 min
- Distances, Feet of Perpendiculars and Images 8 min
- Angle Bisectors, Reflection and Shortest Paths 8 min
Chapter 3 · The Circle
- Equations of a Circle 8 min
- Points, Lines, Tangents and Chords 8 min
- Two Circles and Families of Circles 8 min
Chapter 4 · The Parabola
Chapter 5 · The Ellipse
Chapter 6 · The Hyperbola
Chapter 7 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Mixed Problems: Set 1 (Points and Lines) 8 min
- Mixed Problems: Set 2 (Circles) 8 min
- Mixed Problems: Set 3 (Conics) 8 min
Chapter 8 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 9 min
Unit 11 · Three-Dimensional Geometry
Chapter 1 · Coordinates, Direction Cosines and Vectors in Space
- Coordinates, Distance and Section Formulae 8 min
- Direction Cosines and Direction Ratios 9 min
- Vector Tools: Area, Volume and Coplanarity 8 min
Chapter 2 · Straight Lines in Space
- Equations of a Line 8 min
- Angle, Intersection and Coplanarity of Two Lines 8 min
- Foot of the Perpendicular, Distance and Image 8 min
- Shortest Distance Between Two Lines 8 min
Chapter 3 · Planes, and Lines with Planes
- Equations of a Plane 9 min
- Angles, Distances, Feet and Images 8 min
- Family of Planes Through a Line 8 min
- A Line and a Plane 8 min
Chapter 4 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Mixed Problems: Set 1 (Points and Lines) 8 min
- Mixed Problems: Set 2 (Planes) 8 min
- Mixed Problems: Set 3 (Lines with Planes) 8 min
Chapter 5 · Unit Problem Bank: Mixed Solved Problems
- Overview 9 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 8 min
Unit 12 · Vector Algebra
Chapter 1 · Vectors and their Algebra
- Scalars, Vectors and Types of Vectors 8 min
- Addition, Subtraction and Scalar Multiples 8 min
- Components, Position Vectors and the Section Formula 8 min
- Collinearity, Coplanarity and Linear Combinations 8 min
- Vector Methods in Geometry 8 min
Chapter 2 · The Scalar (Dot) Product
- Definition, Properties and Angles 9 min
- Projections, Components and Work 8 min
- Magnitudes, Extremes, Bisectors and Geometry 8 min
Chapter 3 · The Vector (Cross) Product
- Definition, Properties and Computation 8 min
- Areas, Collinearity, Distances and Moments 8 min
- Solving Vector Equations 8 min
Chapter 4 · Scalar and Vector Triple Products
- The Scalar Triple Product 9 min
- The Vector Triple Product and Identities 8 min
- Reciprocal Systems and Vector Equations 8 min
Chapter 5 · Mixed JEE Main-Pattern Problems
- Overview 7 min
- Mixed Problems: Set 1 (Algebra and Dot Product) 8 min
- Mixed Problems: Set 2 (Cross Product and Areas) 8 min
- Mixed Problems: Set 3 (Triple Products and Vector Equations) 8 min
Chapter 6 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 8 min
Unit 13 · Statistics & Probability
Chapter 1 · Statistics: Central Tendency and Dispersion
- Measures of Central Tendency 8 min
- Measures of Dispersion 8 min
- Combined Data and Corrections 8 min
- JEE Advanced, AIEEE and JEE Main (2013–2018) Questions: Statistics 8 min
Chapter 2 · Classical Probability
- Sample Spaces and Events 8 min
- Classical Probability and Counting 8 min
- The Addition Theorem 8 min
- Geometric Probability 8 min
Chapter 3 · Conditional Probability and Independence
- Conditional Probability 8 min
- The Multiplication Theorem 8 min
- Independent Events and Repeated Trials 8 min
Chapter 4 · Total Probability and Bayes' Theorem
- The Theorem of Total Probability 8 min
- Bayes' Theorem 7 min
Chapter 5 · Random Variables and the Binomial Distribution
- Random Variables and Probability Distributions 8 min
- Mean and Variance of a Random Variable 8 min
- The Binomial Distribution 8 min
- Waiting for the First Success 8 min
- JEE Advanced, AIEEE and JEE Main (2013–2018) Questions: Random Variables 8 min
Chapter 6 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Mixed Problems: Set 1 (Statistics) 8 min
- Mixed Problems: Set 2 (Probability and Bayes) 8 min
- Mixed Problems: Set 3 (Random Variables and the Binomial Distribution) 8 min
Chapter 7 · Unit Problem Bank: Mixed Solved Problems
- Overview 7 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 8 min
Unit 14 · Trigonometry
Chapter 1 · Angles, Ratios and Identities
- Measuring Angles 8 min
- The Six Trigonometric Ratios 8 min
- Allied Angles, Periodicity and Graphs 8 min
- Fundamental Identities 8 min
Chapter 2 · Compound, Multiple and Sub-multiple Angles
- Compound Angles 8 min
- Multiple and Sub-multiple Angles 8 min
- Sum and Product Formulae 8 min
- Conditional Identities 8 min
- Products and Sums of Series 8 min
- Greatest and Least Values 8 min
Chapter 3 · Trigonometric Equations
- General Solutions 8 min
- Standard Methods 8 min
- Solutions in an Interval 8 min
- Systems, Bounds and Inequalities 8 min
Chapter 4 · Inverse Trigonometric Functions
- Definitions and Principal Values 8 min
- Properties and Compositions 9 min
- Addition Formulas 8 min
- Series, Equations and Inequalities 9 min
Chapter 5 · Triangles, Heights and Distances
- Overview 8 min
- Sine, Cosine and Projection Rules 8 min
- Half Angles, Area and the Radii 7 min
- Solving a Triangle 8 min
- Heights and Distances 8 min
Chapter 6 · Mixed JEE Main-Pattern Problems
- Overview 9 min
- Mixed Problems: Set 1 (Values, Identities, Bounds) 8 min
- Mixed Problems: Set 2 (Equations) 9 min
- Mixed Problems: Set 3 (Inverse Functions and Triangles) 8 min
Chapter 7 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 7 min
- Part C: Concept Checks 8 min
Physics 550 videos
Unit 1 · Units & Measurements
Chapter 1 · Physical Quantities and SI Units
- Physical Quantities, Units and Systems of Units 9 min
- Plane Angle and Solid Angle 9 min
- Prefixes, Practical Units and Unit Conversion 9 min
- Measuring Very Large and Very Small Distances 8 min
- Order of Magnitude and Estimation 8 min
Chapter 2 · Dimensions and Dimensional Formulae
- Dimensions and Dimensional Formulae in Mechanics 9 min
- Dimensions in Heat, Waves and Modern Physics 8 min
- Electric and Magnetic Quantities 8 min
- Same Dimensions and Dimensionless Quantities 9 min
Chapter 3 · Dimensional Analysis and Its Applications
- The Principle of Homogeneity: Checking Equations 8 min
- Dimensions of Constants Inside Formulae 9 min
- Converting Units with Dimensions 8 min
- Deriving Relations by Dimensional Analysis 8 min
- Changing the Base Quantities 8 min
- Limitations of Dimensional Analysis 8 min
Chapter 4 · Accuracy, Precision and Significant Figures
- Accuracy and Precision 9 min
- Significant Figures and the Rules for Counting Them 9 min
- Rounding Off 8 min
- Arithmetic with Significant Figures 9 min
- Scientific Notation and Reporting a Result 8 min
Chapter 5 · Errors in Measurement
- Types of Errors 8 min
- Absolute, Mean Absolute, Relative and Percentage Errors 8 min
- Errors in Sums and Differences 8 min
- Errors in Products, Quotients and Powers 7 min
- Errors in General Formulae 9 min
- Errors in Standard Experiments 9 min
Chapter 6 · Vernier Callipers, Screw Gauge and Other Instruments
- Least Count and the Vernier Principle 8 min
- Zero Error in Vernier Callipers 8 min
- The Screw Gauge 7 min
- Zero Error and Backlash of a Screw Gauge 8 min
- Spherometer, Travelling Microscope and Angular Verniers 9 min
Chapter 7 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Set A: Units and Dimensions 9 min
- Set B: Dimensional Analysis and Significant Figures 9 min
- Set C: Errors and Instruments 9 min
Chapter 8 · Unit Problem Bank: Mixed Solved Problems
- Overview 7 min
- Part A: Units, Dimensions and Dimensional Analysis 9 min
- Part B: Errors and Significant Figures 8 min
- Part C: Instruments and Concept Checks 8 min
- Unit Test 8 min
Unit 2 · Kinematics
Chapter 1 · Vectors
- Scalars, Vectors and Displacement 8 min
- Addition and Subtraction of Vectors 8 min
- Components and Unit Vectors 8 min
- The Dot Product 8 min
- The Cross Product 8 min
- Vectors in the Description of Motion 8 min
Chapter 2 · Motion in a Straight Line
- Speed, Velocity and their Averages 8 min
- Uniformly Accelerated Motion 9 min
- Motion under Gravity 8 min
- Two Bodies and Two Stages 8 min
Chapter 3 · Motion Graphs and Variable Acceleration
- Motion Graphs 9 min
- Variable Acceleration 8 min
Chapter 4 · Motion in a Plane and Projectiles
- Motion in a Plane with Constant Acceleration 9 min
- Projectile Motion from the Ground 9 min
- Velocity at an Instant 9 min
- Horizontal Projection and Projection from a Height 9 min
- Projectiles on an Inclined Plane 9 min
Chapter 5 · Relative Motion
- Relative Velocity in One Dimension 8 min
- Relative Velocity in Two Dimensions: Rain and Wind 8 min
- Crossing a River 8 min
- Closest Approach and Constrained Motion 8 min
Chapter 6 · Kinematics of Circular Motion
- Angular Variables 9 min
- Centripetal Acceleration 8 min
- Non-uniform Circular Motion 8 min
Chapter 7 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Mixed Problems: Set 1 (Straight Line and Graphs) 7 min
- Mixed Problems: Set 2 (Vectors and Projectiles) 7 min
- Mixed Problems: Set 3 (Relative and Circular Motion) 8 min
Chapter 8 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 7 min
Unit 3 · Laws of Motion
Chapter 1 · Newton's Laws, Momentum and Impulse
- Force, Inertia and the First Law 9 min
- Momentum and the Second Law 9 min
- Impulse 8 min
- The Third Law and Conservation of Momentum 8 min
- Thrust: Forces from a Stream of Mass 8 min
Chapter 2 · Forces, Free-body Diagrams and Equilibrium
- The Common Forces 8 min
- Free-body Diagrams 8 min
- Equilibrium of Concurrent Forces 8 min
- Ropes, Chains and Spring Balances 8 min
Chapter 3 · Connected Bodies, Pulleys and Constraints
- Bodies Moving Together 8 min
- Pulleys 8 min
- Constraint Relations 8 min
- Springs and Sudden Changes 9 min
- Chains and Ropes over Edges and Pulleys 8 min
Chapter 4 · Accelerated Frames and Pseudo Forces
- Pseudo Forces 8 min
- Lifts and Apparent Weight 8 min
- Accelerating Vehicles 8 min
- Wedges 8 min
Chapter 5 · Friction
- Static and Kinetic Friction 8 min
- Rough Horizontal Surfaces 9 min
- Rough Inclines 8 min
- More about Friction 8 min
Chapter 6 · Friction in Systems of Bodies
- One Block on Another 8 min
- Blocks on Moving Surfaces 8 min
- Connected Bodies with Friction 8 min
- Friction in Accelerating Frames 8 min
Chapter 7 · Dynamics of Circular Motion
- Centripetal Force 8 min
- Level Curves, Banked Roads and Railway Tracks 8 min
- Conical Pendulums and Rotating Bodies 8 min
- Rotating Frames and Speeding Up on a Curve 8 min
Chapter 8 · Mixed JEE Main-Pattern Problems
- Overview 7 min
- Mixed Problems: Set 1 (Momentum, Equilibrium and Pulleys) 8 min
- Mixed Problems: Set 2 (Friction and Accelerated Frames) 8 min
- Mixed Problems: Set 3 (Circular Motion) 8 min
Chapter 9 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 9 min
- Part C: Concept Checks 9 min
Unit 4 · Work, Energy & Power
Chapter 1 · Work Done by Constant and Variable Forces
- Work Done by a Constant Force 8 min
- Work Using Components and Along Paths 8 min
- Work Done by a Variable Force 8 min
- Work Done by Springs and by Friction 8 min
- Conservative and Non-conservative Forces 8 min
Chapter 2 · Kinetic Energy and the Work–Energy Theorem
- Kinetic Energy and Momentum 8 min
- The Work–Energy Theorem 8 min
- Using the Theorem with Position, Velocity and Time Data 8 min
- Systems of Bodies, Strings and Internal Work 9 min
- Energy Conversion, Heat and Efficiency 8 min
Chapter 3 · Potential Energy and Conservation of Mechanical Energy
- Potential Energy and Conservative Forces 8 min
- Elastic Potential Energy of a Spring 9 min
- Conservation of Mechanical Energy 8 min
- Non-conservative Forces: W_(nc)=ΔE 8 min
- Potential-Energy Curves and Equilibrium 8 min
Chapter 4 · Power
- Average and Instantaneous Power 9 min
- Vehicles, Lifts and Pumps 8 min
- Motion Under Constant Power 9 min
- Power in Flows: Conveyor Belts, Wind and Water 8 min
Chapter 5 · Motion in a Vertical Circle
- Speed and Tension in a Vertical Circle 8 min
- When the String Slackens; Rods and Beads 8 min
- Loops, Humps and Dips on Tracks 8 min
- Sliding Off a Smooth Sphere 8 min
Chapter 6 · Impulse and Collisions in One Dimension
- Impulse and Momentum 9 min
- Perfectly Inelastic Collisions 9 min
- Elastic Collisions in One Dimension 9 min
- Coefficient of Restitution 8 min
- Collisions Through Springs and on Wedges; Chains of Collisions 8 min
Chapter 7 · Collisions in Two Dimensions and Explosions
Chapter 8 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Set 1 (Work and Energy) 9 min
- Set 2 (Power, Vertical Circles and Potential-Energy Curves) 9 min
- Set 3 (Impulse, Collisions and Explosions) 9 min
Chapter 9 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part B: Harder Problems 8 min
- Part C: Concept Checks 8 min
Unit 5 · Rotational Motion
Chapter 1 · Centre of Mass
- Centre of Mass of a System of Particles 8 min
- Centre of Mass of Continuous Bodies 8 min
- Composite Bodies and Bodies with Cavities 8 min
- Motion of the Centre of Mass 8 min
Chapter 2 · Rotation of a Rigid Body and Moment of Inertia
- Kinematics of Rotation 9 min
- Moment of Inertia and Radius of Gyration 8 min
- Moments of Inertia of Standard Bodies 8 min
- Theorems of Parallel and Perpendicular Axes 8 min
Chapter 3 · Torque and Rotational Dynamics
- Torque and Couples 8 min
- Equilibrium of Rigid Bodies 7 min
- Newton's Second Law for Rotation 8 min
- Work, Energy and Power in Rotation 9 min
Chapter 4 · Angular Momentum and its Conservation
- Angular Momentum of a Particle 8 min
- Angular Momentum of a Rigid Body; Torque and Angular Impulse 8 min
- Conservation of Angular Momentum 8 min
- Collisions Involving Rotation 8 min
Chapter 5 · Rolling Motion
- Kinematics of Rolling 8 min
- Energy of Rolling; Rolling on an Incline 8 min
- Friction in Rolling; Slipping That Becomes Rolling 9 min
Chapter 6 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Mixed Problems: Set 1 8 min
- Mixed Problems: Set 2 8 min
- Mixed Problems: Set 3 8 min
Chapter 7 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: Mixed Problems 8 min
- Part B: Concept Checks 9 min
- Part C: Advanced-Level Problems 8 min
Unit 6 · Gravitation
Chapter 1 · Newton's Law of Gravitation and the Gravitational Field
- Newton's Law of Gravitation 8 min
- The Gravitational Field 8 min
- Bodies Moving under Mutual Attraction 8 min
Chapter 2 · Acceleration due to Gravity
- g at the Surface of a Planet 8 min
- Variation of g with Height and Depth 8 min
- Effect of the Earth's Rotation 7 min
Chapter 3 · Gravitational Potential, Energy and Escape
- Potential and Potential Energy 8 min
- Potential of a Shell and of a Solid Sphere 8 min
- Escape Velocity 8 min
Chapter 4 · Satellites and Kepler's Laws
- Orbital Speed and Period 8 min
- Energy of Satellites 8 min
- Kepler's Laws 8 min
Chapter 5 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Mixed Problems: Set 1 8 min
- Mixed Problems: Set 2 8 min
- Mixed Problems: Set 3 8 min
Chapter 6 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 7 min
- Part C: Concept Checks 8 min
Unit 7 · Properties of Solids & Liquids
Chapter 1 · Elasticity
- Stress, Strain and Hooke's Law 9 min
- Young's Modulus: Elongation Problems 9 min
- Bulk Modulus, Shear Modulus and Poisson's Ratio 9 min
- Elastic Potential Energy 9 min
Chapter 2 · Fluids at Rest
- Pressure in a Fluid 8 min
- Pascal's Law and Hydraulic Machines 8 min
- Buoyancy and Flotation 8 min
- Fluids in Accelerating Containers 8 min
Chapter 3 · Fluids in Motion and Viscosity
- Kinds of Flow and the Equation of Continuity 9 min
- Bernoulli's Equation and its Applications 9 min
- Viscosity 9 min
- Reynolds Number and Turbulence 9 min
Chapter 4 · Surface Tension
- Surface Tension and Surface Energy 9 min
- Excess Pressure Inside Drops and Bubbles 8 min
- Angle of Contact and Capillarity 8 min
Chapter 5 · Temperature, Thermal Expansion and Calorimetry
- Temperature and Thermometry 9 min
- Thermal Expansion 9 min
- Calorimetry 8 min
Chapter 6 · Transfer of Heat
- Conduction 8 min
- Convection 8 min
- Radiation 8 min
- Newton's Law of Cooling 9 min
Chapter 7 · Mixed JEE-Pattern Problems
- Overview 9 min
- Mixed Problems: Set 1 9 min
- Mixed Problems: Set 2 9 min
- Mixed Problems: Set 3 9 min
Chapter 8 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 9 min
Unit 8 · Thermodynamics
Chapter 1 · Heat, Work, Internal Energy and the First Law
- Systems, Equilibrium and the Zeroth Law 8 min
- Internal Energy, Heat and Work 8 min
- The First Law of Thermodynamics 8 min
Chapter 2 · Isochoric, Isobaric, Isothermal and Cyclic Processes
- The Standard Processes 9 min
- General Processes and the Highest Temperature 8 min
- Cyclic Processes 8 min
Chapter 3 · Adiabatic Processes
Chapter 4 · Specific Heats of Gases
- C_v, C_p and Mayer's Relation 8 min
- Degrees of Freedom and Equipartition 9 min
- Molar Heat Capacity of a General Process 9 min
Chapter 5 · Heat Engines, Refrigerators and the Second Law
- Heat Engines and Refrigerators 8 min
- The Carnot Cycle and the Second Law 8 min
- Entropy and the Otto Cycle 8 min
Chapter 6 · Mixed JEE Main-Pattern Problems
- Overview 9 min
- Mixed Problems: Set 1 8 min
- Mixed Problems: Set 2 9 min
- Mixed Problems: Set 3 8 min
Chapter 7 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 8 min
Unit 9 · Kinetic Theory of Gases
Chapter 1 · The Ideal Gas and Gas Mixtures
- The Ideal-Gas Equation 9 min
- Mixtures of Gases 8 min
- Real Gases 8 min
Chapter 2 · Pressure and Temperature from Molecular Motion
Chapter 3 · Molecular Speeds and the Maxwell Distribution
Chapter 4 · Degrees of Freedom and Equipartition of Energy
Chapter 5 · Mean Free Path and Molecular Collisions
- Mean Free Path 8 min
Chapter 6 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Mixed Problems: Set 1 8 min
- Mixed Problems: Set 2 8 min
- Mixed Problems: Set 3 8 min
- Mixed Problems: Set 4 8 min
Chapter 7 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 8 min
Unit 10 · Oscillations & Waves
Chapter 1 · Simple Harmonic Motion: Kinematics and Energy
- Periodic Motion and the Equation of SHM 8 min
- Velocity, Acceleration and Time Between Positions 8 min
- Energy in SHM and Small Oscillations 9 min
Chapter 2 · Spring–Mass Systems and Pendulums
Chapter 3 · Superposition, Damped and Forced Oscillations
Chapter 4 · Wave Motion and Waves on a String
- Describing a Travelling Wave 8 min
- Speed, Energy and Power of Waves on a String 8 min
- Superposition, Interference, Reflection and Transmission 8 min
Chapter 5 · Standing Waves on Strings and Rods
Chapter 6 · Sound Waves, Organ Pipes and Beats
Chapter 7 · The Doppler Effect
- The Doppler Formula 8 min
- Reflection, Echoes and Beats 8 min
Chapter 8 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Mixed Problems: Set 1 (SHM) 8 min
- Mixed Problems: Set 2 (Waves and Strings) 8 min
- Mixed Problems: Set 3 (Sound and Doppler) 8 min
Chapter 9 · Unit Problem Bank: Mixed Solved Problems
- Overview 7 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 8 min
Unit 11 · Electrostatics
Chapter 1 · Electric Charge, Coulomb's Law and Electric Field
- Electric Charge and Coulomb's Law 8 min
- Equilibrium of Charges 8 min
- Electric Field of Point Charges 8 min
- Fields of Continuous Charge Distributions 8 min
- Motion of Charged Particles in Electric Fields 8 min
Chapter 2 · Electric Flux and Gauss's Law
- Electric Flux 8 min
- Gauss's Law 8 min
- Spheres, Shells and Cavities 8 min
- Lines, Cylinders, Sheets and Slabs 8 min
Chapter 3 · Electric Potential and Potential Energy
- Electric Potential 8 min
- Potentials of Continuous Distributions 8 min
- Potential Energy and Work 8 min
- Energy Conservation for Moving Charges 8 min
Chapter 4 · Electric Dipoles, Conductors and Spherical Shells
- The Electric Dipole 8 min
- A Dipole in an External Field 8 min
- Conductors in Electrostatic Equilibrium 8 min
- Concentric Shells, Earthing and Connections 8 min
Chapter 5 · Capacitors and Capacitance
- Capacitance and Standard Capacitors 9 min
- Combinations of Capacitors 8 min
- Energy Stored and Charge Sharing 9 min
- Capacitors in Steady-State Circuits 8 min
Chapter 6 · Dielectrics and Capacitors with Dielectrics
- Dielectrics and Polarisation 8 min
- Partially Filled Capacitors 8 min
- Inserting a Dielectric: Battery Connected or Disconnected 8 min
- Leakage through a Dielectric 8 min
Chapter 7 · Mixed JEE Main-Pattern Problems
- Overview 9 min
- Mixed Problems: Set 1 (Charges, Fields and Gauss's Law) 8 min
- Mixed Problems: Set 2 (Potential, Energy and Dipoles) 8 min
- Mixed Problems: Set 3 (Capacitors and Dielectrics) 8 min
Chapter 8 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 8 min
Unit 12 · Current Electricity
Chapter 1 · Electric Current, Drift and Resistivity
- Electric Current and Current Density 8 min
- Drift Velocity and Mobility 8 min
- Ohm's Law, Resistance and Resistivity 8 min
- Temperature Dependence and the Colour Code 8 min
Chapter 2 · Resistor Networks, EMF and Cells
- Series and Parallel Combinations 8 min
- Symmetry, Balanced Bridges and Special Networks 8 min
- EMF, Internal Resistance and Terminal Voltage 8 min
- Combinations of Cells 8 min
Chapter 3 · Kirchhoff's Laws and Circuit Analysis
- Kirchhoff's Laws 8 min
Chapter 4 · Measuring Instruments: Meters, Bridges and the Potentiometer
- Galvanometer, Ammeter and Voltmeter 9 min
- Wheatstone Bridge and Metre Bridge 8 min
- The Potentiometer 8 min
Chapter 5 · Heating Effect of Current and Electric Power
Chapter 6 · Circuits with Capacitors: Steady State and RC Transients
Chapter 7 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Mixed Problems: Set 1 (Current, Resistivity and Networks) 8 min
- Mixed Problems: Set 2 (Cells, Kirchhoff's Laws and Instruments) 8 min
- Mixed Problems: Set 3 (Power and RC Circuits) 8 min
Chapter 8 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 9 min
Unit 13 · Magnetic Effects of Current & Magnetism
Chapter 1 · The Biot–Savart Law: Fields of Wires, Arcs and Loops
- Magnetic Field and the Biot–Savart Law 8 min
- Field of a Straight Current 8 min
- Field of Arcs, Circular Loops and Coils 8 min
Chapter 2 · Ampère's Law, Solenoids and Toroids
- Ampère's Circuital Law 8 min
- Thick Wires, Cylinders and Current Sheets 8 min
- Solenoids and Toroids 8 min
Chapter 3 · Motion of Charged Particles in Magnetic and Electric Fields
- The Lorentz Force 8 min
- Circular and Helical Motion 8 min
- Crossed Fields, the Cyclotron and the Hall Effect 9 min
Chapter 4 · Force, Torque and the Galvanometer
- Force on a Current-Carrying Conductor 8 min
- Force Between Parallel Currents 8 min
- Torque on a Current Loop; Magnetic Moment 8 min
- The Moving-Coil Galvanometer 8 min
Chapter 5 · Magnetism and Magnetic Materials
Chapter 6 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Mixed Problems: Set 1 (Fields of Currents) 8 min
- Mixed Problems: Set 2 (Charged Particles) 8 min
- Mixed Problems: Set 3 (Forces, Torques and Magnetism) 8 min
Chapter 7 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 8 min
Unit 14 · Electromagnetic Induction & AC
Chapter 1 · Faraday's Law and Lenz's Law
- Magnetic Flux 8 min
- Faraday's Law 8 min
- Lenz's Law 8 min
- Induced Electric Field and Eddy Currents 8 min
Chapter 2 · Motional EMF
- A Conductor Moving in a Magnetic Field 8 min
- A Rod Sliding on Rails 8 min
- Loops Moving Through a Field 8 min
- Rotating Conductors and the Generator 8 min
Chapter 3 · Inductance, LR and LC Circuits
- Self-Inductance 8 min
- Mutual Inductance 8 min
- LR Circuits 8 min
- LC Oscillations 8 min
Chapter 4 · Alternating Current: R, L and C
- Alternating Quantities 8 min
- Resistor, Inductor and Capacitor on AC 8 min
- Series RL and RC Circuits 8 min
Chapter 5 · LCR Circuits, Power and Transformers
- The Series LCR Circuit 8 min
- Resonance 8 min
- Power in AC Circuits 8 min
- Parallel Branches on AC 8 min
- Transformers and Power Transmission 8 min
Chapter 6 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Mixed Problems: Set 1 (Induction and Motional EMF) 8 min
- Mixed Problems: Set 2 (Inductance, LR and LC Circuits) 8 min
- Mixed Problems: Set 3 (Alternating Current) 9 min
Chapter 7 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 8 min
Unit 15 · Electromagnetic Waves
Chapter 1 · Displacement Current and Maxwell's Equations
- The Displacement Current 8 min
- Magnetic Field in a Charging Capacitor 9 min
- Conduction and Displacement Current in a Material 8 min
- Maxwell's Equations 8 min
Chapter 2 · Electromagnetic Waves
- Production and Nature of Electromagnetic Waves 8 min
- The Wave Equations 8 min
- Directions of vec E, vec B and Propagation 8 min
- Electromagnetic Waves in a Medium 7 min
- JEE Advanced, AIEEE and Earlier JEE Main Questions: Waves 8 min
Chapter 3 · Energy, Intensity and Radiation Pressure
- Energy Density 8 min
- Intensity and the Poynting Vector 8 min
- Momentum and Radiation Pressure 9 min
- JEE Advanced, AIEEE and Earlier JEE Main Questions: Energy 8 min
Chapter 4 · The Electromagnetic Spectrum
- The Regions of the Spectrum 9 min
- Sources, Detection and Uses 9 min
- AIEEE and Earlier JEE Main Questions: Spectrum 8 min
Chapter 5 · Mixed JEE Main-Pattern Problems
Chapter 6 · Unit Problem Bank
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 8 min
Unit 16 · Optics
Chapter 1 · Reflection and Spherical Mirrors
- Laws of Reflection and Plane Mirrors 8 min
- Spherical Mirrors and the Mirror Formula 8 min
- Size and Speed of the Image 8 min
- AIEEE Questions: Reflection 8 min
Chapter 2 · Refraction, Total Reflection and Prisms
- Snell's Law and Refractive Index 8 min
- Apparent Depth and the Glass Slab 8 min
- Total Internal Reflection 9 min
- Refraction through a Prism 9 min
- AIEEE and Earlier JEE Main Questions: Refraction 8 min
Chapter 3 · Spherical Surfaces and Lenses
- Refraction at a Spherical Surface 8 min
- The Lens Maker's Formula 8 min
- The Thin Lens Formula and Magnification 8 min
- Combinations of Lenses and Mirrors 8 min
- JEE Advanced Questions (2010–2018): Lenses 8 min
- IIT-JEE Questions (1978–2006): Lenses 8 min
- AIEEE and Earlier JEE Main Questions: Lenses 8 min
Chapter 4 · Dispersion and Optical Instruments
- Dispersion 9 min
- Microscopes 9 min
- Telescopes 8 min
- IIT-JEE Questions: Dispersion and Instruments 8 min
- AIEEE and Earlier JEE Main Questions: Dispersion and Instruments 8 min
Chapter 5 · Wave Nature and Interference of Light
- Wavefronts and Huygens' Principle 8 min
- Superposition and Coherence 7 min
- Young's Double-Slit Experiment 8 min
- Shift of Fringes and Thin Films 8 min
- AIEEE and Earlier JEE Main Questions: Interference 8 min
Chapter 6 · Diffraction and Polarisation
- Diffraction at a Single Slit 8 min
- Resolving Power 8 min
- Polarisation 8 min
- IIT-JEE, AIEEE and Earlier JEE Main Questions: Diffraction and Polarisation 8 min
Chapter 7 · Mixed JEE Main-Pattern Problems
Chapter 8 · Unit Problem Bank
- Overview 8 min
- Part A: JEE Main Level 9 min
- Part C: Concept Checks 9 min
Unit 17 · Dual Nature of Matter & Radiation
Chapter 1 · Photons and Electron Emission
- The Photon 8 min
- Counting Photons 8 min
- Electron Emission and the Work Function 8 min
- AIEEE Questions: Photons 8 min
Chapter 2 · The Photoelectric Effect
- The Experimental Facts 8 min
- Einstein's Photoelectric Equation 8 min
- AIEEE and Earlier JEE Main Questions: Photoelectric Equation 9 min
Chapter 3 · Graphs, Photocurrent and the Photocell
- The Graphs of the Experiment 8 min
- Photocurrent, Efficiency and the Photocell 8 min
- Isolated Conductors and Other Applications 9 min
- JEE Advanced Questions (2011–2018): Graphs and Applications 9 min
- IIT-JEE Questions (1989–2009): Graphs and Applications 9 min
- AIEEE Questions: Graphs and Applications 9 min
Chapter 4 · Matter Waves
- The de Broglie Wavelength 8 min
- Comparing Particles and Photons 8 min
- Evidence for Matter Waves 9 min
- AIEEE and Earlier JEE Main Questions: Matter Waves 8 min
Chapter 5 · Mixed JEE Main-Pattern Problems
Chapter 6 · Unit Problem Bank
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 8 min
Unit 18 · Atoms & Nuclei
Chapter 1 · Rutherford's Nuclear Atom
- Overview 8 min
- The Scattering Experiment 8 min
- Closest Approach and Impact Parameter 8 min
- Rutherford's Model and Its Difficulties 8 min
- Past JEE Questions: Scattering 8 min
Chapter 2 · The Bohr Model
- Postulates, Radius and Speed 9 min
- Energy of the Stationary States 8 min
- Orbital Current and Magnetism 8 min
- Beyond the Simple Model 9 min
- IIT-JEE Questions (1981–2003): Bohr Model 8 min
- AIEEE and Earlier JEE Main Questions: Bohr Model 8 min
Chapter 3 · Atomic Spectra and Transitions
- The Hydrogen Spectrum 8 min
- Counting Lines; Hydrogen-like Ions 8 min
- Excitation, Collisions and Recoil 8 min
- JEE Advanced Questions (2004–2018): Spectra 8 min
- IIT-JEE Questions (1992–2002): Spectra 8 min
- IIT-JEE Questions (1982–1990): Spectra 8 min
- AIEEE and Earlier JEE Main Questions: Spectra 8 min
Chapter 4 · X-rays
- Production and the Continuous Spectrum 9 min
- Characteristic X-rays and Moseley's Law 8 min
- Properties and Absorption 8 min
- JEE Advanced and IIT-JEE Questions (1996–2014): X-rays 8 min
- IIT-JEE Questions (1982–1992): X-rays 9 min
Chapter 5 · The Nucleus: Size, Mass and Binding Energy
- Composition and Size 8 min
- JEE Advanced and IIT-JEE Questions: Nucleus 8 min
- AIEEE and Earlier JEE Main Questions: Nucleus 8 min
Chapter 6 · Radioactivity
- The Three Kinds of Decay 9 min
- The Law of Radioactive Decay 8 min
- Activity 8 min
- Energy Released in a Decay 8 min
- JEE Advanced Questions (2013–2018): Radioactivity 8 min
- IIT-JEE Questions (2001–2012): Radioactivity 8 min
- IIT-JEE Questions (1981–1992): Radioactivity 8 min
- AIEEE and Earlier JEE Main Questions: Radioactivity 8 min
Chapter 7 · Nuclear Reactions, Fission and Fusion
- Nuclear Reactions and Q-values 8 min
- Nuclear Fission 8 min
- Nuclear Fusion 8 min
- JEE Advanced and IIT-JEE Questions (2001–2015): Nuclear Energy 8 min
- IIT-JEE Questions (1983–1999): Nuclear Energy 8 min
- AIEEE and Earlier JEE Main Questions: Nuclear Energy 8 min
Chapter 8 · Mixed JEE Main-Pattern Problems
Chapter 9 · Unit Problem Bank
- Overview 9 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 9 min
Unit 19 · Electronic Devices
Chapter 1 · Semiconductors
- Energy Bands in Solids 8 min
- Intrinsic Semiconductors 8 min
- Doping: n-type and p-type 8 min
- Mobility and Conductivity 9 min
- IIT-JEE Questions: Semiconductors 9 min
- AIEEE and Earlier JEE Main Questions: Semiconductors 9 min
Chapter 2 · The p-n Junction Diode
- Biasing and the Characteristic 8 min
- Circuits with Ideal Diodes 8 min
- Circuits with Real Diodes 8 min
- Diodes with Varying Inputs 8 min
- IIT-JEE Questions: Junction Diode 8 min
- AIEEE and Earlier JEE Main Questions: Junction Diode 8 min
Chapter 3 · Rectifiers and Filters
- The Half-Wave Rectifier 8 min
- Full-Wave Rectifiers 8 min
- Filters 8 min
- Past JEE Questions: Rectifiers 8 min
Chapter 4 · Special-Purpose Diodes
- The Zener Diode as a Voltage Regulator 8 min
- The Light-Emitting Diode 8 min
- The Photodiode 8 min
- The Solar Cell 8 min
- Earlier JEE Main Questions: Special Diodes 9 min
Chapter 5 · Logic Gates
- Digital Signals and the Basic Gates 8 min
- NAND and NOR: the Universal Gates 8 min
- Boolean Algebra and De Morgan's Theorems 8 min
- Combinations of Gates 8 min
- Gates from Diodes and Switches 8 min
- AIEEE and Earlier JEE Main Questions: Logic Gates 8 min
Chapter 6 · Mixed JEE Main-Pattern Problems
Chemistry 609 videos
Unit 1 · Some Basic Concepts in Chemistry
Chapter 1 · Matter, Measurement and the Laws of Chemical Combination
- Matter and its Classification 9 min
- Physical Quantities, SI Units and Unit Conversion 9 min
- Scientific Notation and Significant Figures 9 min
- Laws of Chemical Combination 8 min
- Gay-Lussac's Law, Avogadro's Law and Dalton's Atomic Theory 9 min
Chapter 2 · Atomic Mass and the Mole Concept
- Atomic Mass and Isotopes 9 min
- Molecular Mass and Formula Mass 7 min
- The Mole and the Avogadro Constant 9 min
- Counting Atoms, Ions, Electrons, Protons and Neutrons 8 min
- Gas Volumes in the Mole Map 8 min
Chapter 3 · Composition, Empirical and Molecular Formulae
- Percentage Composition 8 min
- Minimum Molar Mass 8 min
- Empirical and Molecular Formulae 9 min
- Formulae from Combustion Data 9 min
- Hydrates, Metal Compounds and Non-stoichiometric Oxides 9 min
Chapter 4 · Estimating Elements in Organic Compounds
- Carbon and Hydrogen: Liebig's Method 9 min
- Nitrogen: Dumas' Method 8 min
- Nitrogen: Kjeldahl's Method 8 min
- Halogens: Carius' Method 8 min
- Sulphur and Phosphorus 8 min
- Oxygen by Difference and Complete Analysis 9 min
Chapter 5 · Stoichiometry and the Limiting Reagent
- Reading a Balanced Equation 9 min
- The Limiting Reagent 8 min
- Yield and Purity 7 min
- Sequential and Parallel Reactions 8 min
- The Principle of Atom Conservation and Mixtures 9 min
Chapter 6 · Gases in Stoichiometry
- Moles of a Gas from P, V and T 8 min
- Vapour Density and Average Molar Mass 8 min
- Volume Relations in Reactions 8 min
- Dalton's Law of Partial Pressures 8 min
- Eudiometry 9 min
Chapter 7 · Concentration of Solutions
- Mass Percent, Volume Percent and ppm 8 min
- Mole Fraction 7 min
- Molarity and Molality 7 min
- Converting Between Concentration Terms 8 min
- Dilution and Mixing 8 min
- Ions in Solution and Reactions in Solution 9 min
Chapter 8 · Equivalents, Normality and Titrations
- Equivalent Mass and the n-Factor 9 min
- Normality and the Law of Equivalence 8 min
- Acid–Base Titrations and Back Titration 8 min
- Double Titration 9 min
- Volume Strength of Hydrogen Peroxide 8 min
- Hardness of Water 9 min
Chapter 9 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Mixed Problems: Set 1 (Mole Concept, Composition and Formulae) 8 min
- Mixed Problems: Set 2 (Stoichiometry and Gases) 9 min
- Mixed Problems: Set 3 (Concentration, Equivalents and Titrations) 10 min
Chapter 10 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 9 min
Unit 2 · Atomic Structure
Chapter 1 · Subatomic Particles and Early Atomic Models
- Discovery of Subatomic Particles 8 min
- Atomic Models 9 min
- Atomic Number, Mass Number and Related Terms 8 min
- Counting Particles and Average Atomic Mass 9 min
Chapter 2 · Electromagnetic Radiation, Quanta and the Photoelectric Effect
- Wave Nature of Radiation 8 min
- Planck's Quantum Theory 9 min
- Counting Photons and Energy Balance 7 min
- The Photoelectric Effect 9 min
Chapter 3 · Bohr's Model of the Hydrogen Atom
- Bohr's Postulates and the Orbits 8 min
- Transitions, Ionisation and Excitation 8 min
- Other Orbital Quantities and Limitations 9 min
- Hydrogen-like Ions: A Drill 8 min
Chapter 4 · The Hydrogen Spectrum
- Line Spectra and the Rydberg Formula 9 min
- First Lines, Series Limits and Ratios 9 min
- How Many Lines? 8 min
Chapter 5 · Dual Nature of Matter and the Uncertainty Principle
- de Broglie Wavelength 8 min
- de Broglie Waves in Bohr Orbits 8 min
- Heisenberg's Uncertainty Principle 8 min
Chapter 6 · The Quantum-Mechanical Model: Orbitals and Quantum Numbers
- Wave Functions and Orbitals 9 min
- The Four Quantum Numbers 9 min
- Shapes of Orbitals and Nodes 8 min
- Energies of Orbitals 8 min
Chapter 7 · Electronic Configuration
- Rules for Filling Orbitals 8 min
- Exceptions and Exchange Energy 7 min
- Configurations of Ions 7 min
- Unpaired Electrons and Magnetic Moment 8 min
- Counting Electrons by Quantum Numbers 7 min
Chapter 8 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Mixed Problems: Set 1 (Particles, Photons and the Photoelectric Effect) 9 min
- Mixed Problems: Set 2 (Bohr Model, Spectra and de Broglie) 9 min
- Mixed Problems: Set 3 (Quantum Numbers, Nodes and Configurations) 8 min
Chapter 9 · Unit Problem Bank: Mixed Solved Problems
- Overview 7 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 8 min
Unit 3 · Chemical Bonding & Molecular Structure
Chapter 1 · The Octet Rule and Ionic Bonding
- The Kossel–Lewis Approach and the Octet Rule 9 min
- Formation of Ionic Bonds 9 min
- Lattice Enthalpy and the Born–Haber Cycle 9 min
- Covalent Character in Ionic Bonds: Fajans' Rules 9 min
Chapter 2 · Covalent Bonds, Resonance and Polarity
- Lewis Structures and Formal Charge 8 min
- Coordinate Bonds 8 min
- Resonance 8 min
- Bond Parameters 8 min
- Electronegativity, Polarity and Dipole Moment 9 min
Chapter 3 · VSEPR Theory and the Shapes of Molecules
- The VSEPR Model 9 min
- Shapes with Bond Pairs Only 9 min
- Shapes with Lone Pairs 9 min
- Comparing Bond Angles 9 min
- Counting Lone Pairs; Isostructural and Isoelectronic Species 9 min
Chapter 4 · Valence Bond Theory and Hybridisation
- Valence Bond Theory and Orbital Overlap 9 min
- Hybridisation with s and p Orbitals 8 min
- Hybridisation Involving d Orbitals 8 min
- pπ–pπ and pπ–dπ Bonding; Changes of Hybridisation 9 min
Chapter 5 · Molecular Orbital Theory
- Formation of Molecular Orbitals 9 min
- Energy Order and Electronic Configurations 8 min
- Bond Order, Stability and Magnetism 9 min
- Bond Length, Bond Energy and Heteronuclear Species 9 min
Chapter 6 · Hydrogen, van der Waals and Metallic Bonds
- Hydrogen Bonding 8 min
- Van der Waals Forces 8 min
- Metallic Bonding 9 min
Chapter 7 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Set 1 (Ionic Bonding, Lewis Structures and Polarity) 9 min
- Set 2 (Shapes, Lone Pairs and Hybridisation) 9 min
- Set 3 (Molecular Orbitals and Intermolecular Forces) 8 min
Chapter 8 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part B: Harder Problems 8 min
- Part C: Concept Checks 9 min
Unit 4 · Chemical Thermodynamics
Chapter 1 · Systems, State Functions and the First Law
- Systems and Surroundings 8 min
- State Functions and Kinds of Property 9 min
- Heat, Work and the First Law 8 min
- Heat Capacity and Enthalpy 8 min
Chapter 2 · Work in Ideal-Gas Processes
- Irreversible Work and Free Expansion 9 min
- Reversible Isothermal Processes 8 min
- Isochoric and Isobaric Processes 9 min
- Reversible Adiabatic Processes 9 min
- Irreversible Adiabatic Processes and Comparisons 9 min
- Work on a P–V Diagram 8 min
Chapter 3 · Enthalpy and Thermochemistry
- ΔH and ΔU of Reactions 8 min
- Standard Enthalpies of Formation 9 min
- Hess's Law 9 min
- Combustion and Calorific Value 8 min
- Phase Changes and the Effect of Temperature 8 min
Chapter 4 · Bond, Lattice and Solution Enthalpies
- Bond Enthalpy and Atomisation 9 min
- Reaction Enthalpies from Bond Enthalpies 9 min
- Lattice Enthalpy and the Born–Haber Cycle 9 min
- Solution, Hydration and Dilution 9 min
- Neutralisation and Ionisation 9 min
Chapter 5 · Entropy and the Second Law
- Spontaneity and the Second Law 9 min
- Entropy Changes of Physical Processes 8 min
- Entropy of the Surroundings and of the Universe 8 min
- The Third Law and Standard Entropies 8 min
Chapter 6 · Gibbs Energy and Equilibrium
- Gibbs Energy and Spontaneity 10 min
- Standard Gibbs Energies 9 min
- Gibbs Energy and the Equilibrium Constant 9 min
- Gibbs Energy in Cells and Coupled Reactions 9 min
Chapter 7 · Mixed JEE Main-Pattern Problems
Chapter 8 · Unit Problem Bank
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part B: Harder Problems 9 min
- Part C: Concept Checks 9 min
Unit 5 · Solutions
Chapter 1 · Solutions, Concentration and Solubility
- Types of Solutions 9 min
- Concentration Terms and their Interconversion 9 min
- Solubility of Solids and Gases; Henry's Law 9 min
Chapter 2 · Vapour Pressure and Raoult's Law
- Vapour Pressure of Liquids 9 min
- Raoult's Law for Two Volatile Liquids 8 min
- Solutions of Non-volatile Solutes 8 min
Chapter 3 · Ideal and Non-ideal Solutions
- Ideal Solutions 9 min
- Positive and Negative Deviations 9 min
- Azeotropes 8 min
Chapter 4 · Colligative Properties
- Colligative Properties; Lowering of Vapour Pressure 8 min
- Elevation of Boiling Point 8 min
- Depression of Freezing Point 8 min
- Osmosis and Osmotic Pressure 8 min
Chapter 5 · Abnormal Molar Masses and the van't Hoff Factor
Chapter 6 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Mixed Problems: Set 1 8 min
- Mixed Problems: Set 2 8 min
- Mixed Problems: Set 3 8 min
Chapter 7 · Unit Problem Bank: Mixed Solved Problems
- Overview 9 min
- Part A: Mixed Problems 9 min
- Part B: Concept Checks 9 min
- Part C: Advanced-Level Problems 9 min
Unit 6 · Equilibrium
Chapter 1 · Chemical Equilibrium and Equilibrium Constants
- Dynamic Equilibrium 8 min
- The Law of Mass Action and K_c 8 min
- K_p and its Relation to K_c 8 min
- Manipulating Equilibrium Constants 8 min
- Heterogeneous Equilibria 8 min
- The Reaction Quotient, and What K Tells Us 8 min
Chapter 2 · Equilibrium Calculations and Le Chatelier's Principle
- Calculating Equilibrium Concentrations 9 min
- Degree of Dissociation 9 min
- Vapour Density and the Degree of Dissociation 8 min
- Le Chatelier's Principle: Concentration, Pressure and Inert Gases 9 min
- Effect of Temperature, and Industrial Equilibria 9 min
Chapter 3 · Acids, Bases and pH
- Electrolytes and the Theories of Acids and Bases 8 min
- The Ionic Product of Water and the pH Scale 8 min
- pH of Strong Acids, Strong Bases and their Mixtures 8 min
- Weak Acids and Bases: Kₐ, K_b and Ostwald's Dilution Law 8 min
- Polyprotic Acids and the Strength of Acids 8 min
Chapter 4 · Salt Hydrolysis, Buffers, Titrations and Indicators
- Salt Hydrolysis 9 min
- Buffer Solutions 9 min
- Acid–Base Titrations 9 min
- Acid–Base Indicators 8 min
Chapter 5 · Solubility Equilibria
- The Solubility Product 8 min
- The Common-Ion Effect and the Effect of pH 8 min
- Precipitation and Qualitative Analysis 8 min
- Complex Formation and Simultaneous Equilibria 8 min
Chapter 6 · Mixed JEE Main-Pattern Problems
- Overview 9 min
- Mixed Problems: Set 1 8 min
- Mixed Problems: Set 2 8 min
- Mixed Problems: Set 3 8 min
Chapter 7 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 8 min
Unit 7 · Redox Reactions & Electrochemistry
Chapter 1 · Redox Reactions and Oxidation Number
- Oxidation and Reduction 7 min
- Oxidation Number 9 min
- Types of Redox Reactions; Oxidising and Reducing Agents 9 min
- Balancing Redox Equations 8 min
Chapter 2 · Equivalents and Redox Titrations
- The n-Factor and the Law of Equivalence in Redox 9 min
- Permanganate and Dichromate Titrations 8 min
- Iodometry and Iodimetry 8 min
Chapter 3 · Galvanic Cells and Electrode Potentials
- Galvanic Cells 9 min
- Standard Electrode Potentials and the Electrochemical Series 9 min
- Gibbs Energy and Combining Electrode Potentials 9 min
- Types of Electrodes 9 min
Chapter 4 · The Nernst Equation and Cell Thermodynamics
- The Nernst Equation 8 min
- Equilibrium Constant, Gibbs Energy, Enthalpy and Entropy 8 min
- Concentration Cells and Applications 8 min
Chapter 5 · Conductance of Electrolytic Solutions
- Conductivity and Molar Conductivity 8 min
- Variation with Concentration; Kohlrausch's Law 9 min
- Conductometric Titrations 9 min
Chapter 6 · Electrolysis, Batteries and Corrosion
- Products of Electrolysis 8 min
- Faraday's Laws of Electrolysis 8 min
- Batteries and Fuel Cells 9 min
- Corrosion 8 min
Chapter 7 · Mixed JEE Main-Pattern Problems
- Overview 9 min
- Mixed Problems: Set 1 9 min
- Mixed Problems: Set 2 9 min
- Mixed Problems: Set 3 9 min
Chapter 8 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 9 min
Unit 8 · Chemical Kinetics
Chapter 1 · Rate of Reaction, Rate Law, Order and Molecularity
Chapter 2 · Integrated Rate Equations and Half-Life
- Zero- and First-Order Reactions 9 min
- Second-Order Reactions and Comparisons 9 min
- Following a Reaction by Pressure, Volume, Titre or Rotation 9 min
Chapter 3 · Determining the Order of a Reaction
- The Half-Life Method 8 min
- The Graphical and Differential Methods 8 min
- Isolation, Pseudo Orders and Units of k 8 min
Chapter 4 · Temperature, Activation Energy and Catalysis
- The Arrhenius Equation 8 min
- Energy Profiles and Catalysts 9 min
- Collision Theory 8 min
Chapter 5 · Mechanisms, Complex Reactions and Catalysis
- Mechanisms and the Rate-Determining Step 9 min
- Parallel, Consecutive and Reversible Reactions 8 min
- Catalysis 9 min
Chapter 6 · Mixed JEE Main-Pattern Problems
- Overview 9 min
- Mixed Problems: Set 1 9 min
- Mixed Problems: Set 2 8 min
- Mixed Problems: Set 3 8 min
Chapter 7 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 9 min
Unit 9 · Classification of Elements & Periodicity
Chapter 1 · The Periodic Law and the Modern Periodic Table
- From Triads to the Periodic Law 8 min
- Periods, Groups and Blocks 9 min
- Naming Elements with Z>100 8 min
Chapter 2 · Atomic and Ionic Radii
Chapter 3 · Ionisation Enthalpy
Chapter 4 · Electron Gain Enthalpy, Electronegativity and Lattice Energy
- Electron Gain Enthalpy 8 min
- Electronegativity 9 min
- Born–Haber Cycles 8 min
Chapter 5 · Periodic Trends in Chemical Properties
Chapter 6 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Mixed Problems: Set 1 9 min
- Mixed Problems: Set 2 8 min
- Mixed Problems: Set 3 8 min
Chapter 7 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 9 min
- Part C: Concept Checks 9 min
Unit 10 · p-Block Elements
Chapter 1 · Group 13: The Boron Family
- General Trends in Group 13 9 min
- Boron: Borax, Boric Acid and the Trihalides 8 min
- Diborane and Borazine 8 min
- Aluminium and Its Compounds 9 min
Chapter 2 · Group 14: The Carbon Family
- General Trends in Group 14 9 min
- Carbon: Allotropes and Oxides 9 min
- Silicon: Silica, Silicates, Zeolites and Silicones 9 min
- Tin and Lead 9 min
Chapter 3 · Group 15: Nitrogen and Phosphorus
- General Trends in Group 15 8 min
- Dinitrogen and Ammonia 8 min
- Oxides of Nitrogen and Nitric Acid 8 min
- Phosphorus: Allotropes, Phosphine and Halides 8 min
- Oxides and Oxoacids of Phosphorus 8 min
Chapter 4 · Group 16: Oxygen and Sulphur
- General Trends in Group 16 9 min
- Dioxygen, Oxides and Ozone 9 min
- Sulphur and Sulphur Dioxide 9 min
- Sulphuric Acid and the Oxoacids of Sulphur 9 min
Chapter 5 · Groups 17 and 18: Halogens and Noble Gases
- General Trends in Group 17 8 min
- Chlorine, Bleaching Powder and Hydrogen Chloride 8 min
- Oxoacids of Halogens 7 min
- Interhalogens, Polyhalides and Pseudohalides 8 min
- Group 18: Noble Gases and Xenon Compounds 8 min
Chapter 6 · Mixed JEE Main-Pattern Problems
- Overview 7 min
- Mixed Problems: Set 1 (Groups 13 and 14) 9 min
- Mixed Problems: Set 2 (Groups 15 and 16) 7 min
- Mixed Problems: Set 3 (Groups 17 and 18) 9 min
Chapter 7 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 8 min
Unit 11 · d- and f-Block Elements
Chapter 1 · General Properties of the Transition Elements
- Position and Electronic Configuration 9 min
- Size, Density, Melting Point and Atomisation 9 min
- Ionisation Enthalpies 8 min
- Oxidation States and Oxides 8 min
- Electrode Potentials and Reactivity 9 min
Chapter 2 · Magnetism, Colour, Catalysis and Alloys
- Magnetic Properties 8 min
- Colour of Transition Metal Compounds 8 min
- Catalysis, Complexes, Interstitial Compounds and Alloys 8 min
Chapter 3 · Potassium Dichromate and Permanganate
- Potassium Dichromate 9 min
- Potassium Permanganate 9 min
- Titrations and Calculations 8 min
Chapter 4 · Iron, Copper, Zinc, Silver, Mercury and Gold
- Iron and Its Compounds 8 min
- Copper and Its Compounds 8 min
- Zinc, Mercury, Silver and Gold 9 min
- Extraction of the Metals 8 min
Chapter 5 · The Lanthanoids and Actinoids
- The Lanthanoids: Configurations and Oxidation States 9 min
- The Lanthanoid Contraction and Its Consequences 7 min
- Properties and Uses of the Lanthanoids 8 min
- The Actinoids 7 min
- AIEEE and Earlier JEE Main Questions: The f-Block 9 min
Chapter 6 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Mixed Problems: Set 1 (Properties and Magnetism) 8 min
- Mixed Problems: Set 2 (Dichromate, Permanganate and Other Compounds) 8 min
- Mixed Problems: Set 3 (Metals and the f-Block) 8 min
Chapter 7 · Unit Problem Bank: Mixed Solved Problems
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 9 min
Unit 12 · Coordination Compounds
Chapter 1 · Werner's Theory, Ligands and Coordination Number
- Werner's Theory and Basic Terms 8 min
- Ligands, Denticity and Chelates 8 min
- Effective Atomic Number and the 18-Electron Rule 8 min
Chapter 2 · Formulae and IUPAC Names of Complexes
- Rules for Formulae and Names 10 min
- From Names to Formulae 8 min
Chapter 3 · Isomerism in Coordination Compounds
- Structural Isomerism 9 min
- Geometrical Isomerism 8 min
- Optical Isomerism and Total Stereoisomers 9 min
Chapter 4 · Valence Bond Theory and Magnetic Properties
- Hybridisation and Geometry 9 min
- Magnetic Moments 8 min
- A Four-Step Method, and the Limits of VBT 9 min
Chapter 5 · Crystal Field Theory and Colour
- Crystal Field Splitting 8 min
- The Spectrochemical Series and the Size of Δ 8 min
- High Spin, Low Spin and CFSE 8 min
- Colour of Complexes 8 min
- Limitations of Crystal Field Theory 8 min
Chapter 6 · Metal Carbonyls, Stability and Applications
Chapter 7 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Mixed Problems: Set 1 (Werner's Theory, Names and Isomers) 9 min
- Mixed Problems: Set 2 (Bonding, Magnetism and Crystal Fields) 9 min
- Mixed Problems: Set 3 (Colour, Carbonyls, Stability and Uses) 9 min
Chapter 8 · Unit Problem Bank: Mixed Solved Problems
- Overview 9 min
- Part A: JEE Main Level 9 min
- Part C: Concept Checks 9 min
Unit 13 · Purification & Characterisation of Organic Compounds
Chapter 1 · Methods of Purification
- Purity, and Separation by Solubility 9 min
- Sublimation 6 min
- Distillation 9 min
- Differential Extraction and Choosing a Method 8 min
Chapter 2 · Chromatography
- Principle of Chromatography 7 min
- Column Chromatography 8 min
- Thin-Layer Chromatography and R_f 8 min
- Paper Chromatography 8 min
Chapter 3 · Qualitative Analysis: Detecting the Elements
- Carbon and Hydrogen; the Sodium Fusion Extract 9 min
- Tests for Nitrogen and Sulphur 9 min
- Tests for Halogens and Phosphorus 9 min
Chapter 4 · Quantitative Analysis of Elements
- Carbon and Hydrogen 9 min
- Nitrogen: Dumas' and Kjeldahl's Methods 9 min
- Halogens, Sulphur, Phosphorus and Oxygen 8 min
- Earlier AIEEE and JEE Main Questions (2004–2016): Detection and Estimation 9 min
Chapter 5 · Empirical and Molecular Formulae
- Percentage Composition from a Formula 7 min
- Empirical Formula from Percentages 8 min
- Molar Mass: Vapour Density, Silver Salts and Chloroplatinates 8 min
- Eudiometry and the Degree of Unsaturation 9 min
Chapter 6 · Mixed JEE Main-Pattern Problems
- Overview 8 min
- Mixed Problems: Set 1 (Purification and Chromatography) 8 min
- Mixed Problems: Set 2 (Detection of Elements) 9 min
- Mixed Problems: Set 3 (Estimation and Formulae) 8 min
Chapter 7 · Unit Problem Bank: Mixed Solved Problems
- Overview 9 min
- Part A: JEE Main Level 9 min
- Part C: Concept Checks 9 min
Unit 14 · Some Basic Principles of Organic Chemistry
Chapter 1 · Structure, Bonding and Classification
- Tetravalent Carbon and Hybridisation 8 min
- Counting σ and π Bonds 8 min
- Drawing Structures; Degree of Unsaturation 8 min
- Classification, Functional Groups and Homologous Series 8 min
- Bond Parameters and Physical Properties 8 min
Chapter 2 · IUPAC Nomenclature
- Alkanes and Alkyl Groups 8 min
- Alkenes, Alkynes and Rings 8 min
- Compounds with One Functional Group 9 min
- Compounds with Several Functional Groups 8 min
- Benzene Derivatives 8 min
- Bicyclo and Spiro Compounds; Common Names 8 min
Chapter 3 · Structural and Geometrical Isomerism
- Kinds of Isomerism; Structural Isomers 8 min
- Counting Structural Isomers 7 min
- Tautomerism 9 min
- Geometrical Isomerism: cis–trans and E–Z 9 min
- Properties and Number of Geometrical Isomers 8 min
Chapter 4 · Optical Isomerism and Conformations
- Chirality and Optical Activity 8 min
- Fischer Projections; R–S and D–L Configurations 8 min
- Two or More Chiral Centres 9 min
- Conformations of Ethane and Butane 8 min
- Cycloalkanes: Ring Strain, Chair and Boat 9 min
Chapter 5 · Electronic Effects and Aromaticity
- The Inductive Effect 8 min
- Resonance 8 min
- The Resonance (Mesomeric) and Electromeric Effects 8 min
- Hyperconjugation 8 min
- Aromaticity 9 min
Chapter 6 · Acids and Bases in Organic Chemistry
- Acid Strength: the Ideas 9 min
- Carboxylic Acids 9 min
- Phenols, Alcohols and Carbon Acids 9 min
- Organic Bases 9 min
Chapter 7 · Intermediates, Reagents and Reaction Types
- Bond Fission 7 min
- Carbocations 8 min
- Carbanions, Free Radicals and Carbenes 9 min
- Electrophiles, Nucleophiles and Leaving Groups 9 min
- Types of Organic Reactions 8 min
Chapter 8 · Mixed JEE Main-Pattern Problems
Chapter 9 · Unit Problem Bank
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 8 min
Unit 15 · Hydrocarbons
Chapter 1 · Alkanes
- Structure and Physical Properties 9 min
- Preparation of Alkanes 8 min
- Halogenation 9 min
- Combustion and Other Reactions 9 min
Chapter 2 · Alkenes
- The Double Bond 8 min
- Preparation of Alkenes 8 min
- Addition of Hydrogen Halides 8 min
- Addition of Halogens, Water and Hydrogen 8 min
- Oxidation, Ozonolysis and Polymerisation 8 min
- AIEEE and Earlier JEE Main Questions: Alkenes 8 min
Chapter 3 · Alkynes and Dienes
- The Triple Bond and its Acidity 8 min
- Preparation of Alkynes 8 min
- Addition Reactions of Alkynes 9 min
- Oxidation and Polymerisation 9 min
- Conjugated Dienes 9 min
- AIEEE Questions: Alkynes and Dienes 8 min
Chapter 4 · Aromatic Hydrocarbons
- Benzene: Structure and Preparation 8 min
- Electrophilic Substitution 8 min
- Directive Influence of Substituents 8 min
- Addition, Oxidation and Side-Chain Reactions 8 min
Chapter 5 · Mixed JEE Main-Pattern Problems
Chapter 6 · Unit Problem Bank
- Overview 7 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 8 min
Unit 16 · Organic Compounds Containing Halogens
Chapter 1 · Classification, Naming and Properties
- Classification 8 min
- Nomenclature 8 min
- Isomerism in Halogen Compounds 9 min
- The Carbon–Halogen Bond and Physical Properties 8 min
- IIT-JEE Questions: Structure and Properties 8 min
Chapter 2 · Methods of Preparation
- Overview 9 min
- From Alcohols 8 min
- From Hydrocarbons 9 min
- Halogen Exchange 8 min
- Aryl Halides from Diazonium Salts 8 min
- AIEEE and Earlier JEE Main Questions: Preparation 9 min
Chapter 3 · Nucleophilic Substitution
- Substitution Reactions and Their Products 8 min
- The Bimolecular Mechanism: S_N2 8 min
- The Unimolecular Mechanism: S_N1 8 min
- Stereochemistry of Substitution 8 min
- Which Mechanism? The Deciding Factors 8 min
- AIEEE and Earlier JEE Main Questions: Substitution 8 min
Chapter 4 · Elimination and Reactions with Metals
- Dehydrohalogenation 9 min
- Substitution or Elimination? 8 min
- Reactions with Metals 9 min
- AIEEE and Earlier JEE Main Questions: Elimination and Metals 8 min
Chapter 5 · Haloarenes
- Overview 8 min
- Low Reactivity towards Nucleophiles 8 min
- Electrophilic Substitution 8 min
- Reactions with Metals; Ring and Side-Chain Halogen 8 min
- AIEEE and Earlier JEE Main Questions: Haloarenes 9 min
Chapter 6 · Polyhalogen Compounds
- Overview 9 min
- Dihalides and Trihalides 8 min
- Chloroform 8 min
- Iodoform and the Haloform Reaction 8 min
- Carbon Tetrachloride, Freons, DDT and BHC 9 min
- IIT-JEE Questions: Polyhalogen Compounds 9 min
- AIEEE and Earlier JEE Main Questions: Polyhalogen Compounds 8 min
Chapter 7 · Mixed JEE Main-Pattern Problems
Chapter 8 · Unit Problem Bank
- Overview 8 min
- Part A: JEE Main Level 9 min
- Part C: Concept Checks 8 min
Unit 17 · Organic Compounds Containing Oxygen
Chapter 1 · Alcohols
- Overview 9 min
- Classification, Naming and Physical Properties 9 min
- Preparation of Alcohols 9 min
- Reactions of the O–H Bond 8 min
- Reactions of the C–O Bond 9 min
- Oxidation and Tests for Alcohols 9 min
- JEE Advanced Questions (2013–2015): Alcohols 9 min
- IIT-JEE Questions (1979–2005): Alcohols 9 min
- AIEEE and Earlier JEE Main Questions: Alcohols 8 min
Chapter 2 · Phenols
- Overview 8 min
- Naming, Structure and Physical Properties 8 min
- Preparation of Phenol 8 min
- Acidity of Phenols 8 min
- Reactions of Phenol 8 min
- JEE Advanced Questions (2013–2016): Phenols 9 min
- IIT-JEE Questions (1982–2010): Phenols 8 min
- AIEEE and Earlier JEE Main Questions: Phenols 7 min
Chapter 3 · Ethers
- Naming, Structure and Physical Properties 8 min
- Preparation of Ethers 9 min
- Reactions of Ethers 9 min
- AIEEE and Recent JEE Main Questions: Ethers 9 min
Chapter 4 · Aldehydes and Ketones: Structure and Preparation
- Overview 8 min
- Naming and Structure 8 min
- Methods Common to Aldehydes and Ketones 8 min
- Methods for Aldehydes Only 8 min
- Methods for Ketones Only 7 min
- Earlier JEE Main Questions: Structure and Preparation 8 min
Chapter 5 · Aldehydes and Ketones: Reactions
- Nucleophilic Addition 9 min
- Reactions with Derivatives of Ammonia 9 min
- Reduction and Oxidation 9 min
- Reactions of the α-Hydrogen: the Aldol Reaction 9 min
- The Cannizzaro Reaction 9 min
- JEE Advanced Questions (2010–2016): Reactions 9 min
- IIT-JEE Questions (1996–2008): Reactions 9 min
- IIT-JEE Questions (1981–1995): Reactions 9 min
- AIEEE Questions: Reactions 9 min
Chapter 6 · Carboxylic Acids and Their Derivatives
- Overview 8 min
- Naming, Structure and Physical Properties 8 min
- Acidity 9 min
- Preparation of Carboxylic Acids 8 min
- Reactions of Carboxylic Acids 8 min
- Acid Derivatives 8 min
- JEE Advanced Questions (2012–2016): Acids 9 min
- IIT-JEE Questions (1997–2010): Acids 9 min
- IIT-JEE Questions (1981–1995): Acids 8 min
- AIEEE and Earlier JEE Main Questions: Acids 8 min
Chapter 7 · Mixed JEE Main-Pattern Problems
Chapter 8 · Unit Problem Bank
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 8 min
Unit 18 · Organic Compounds Containing Nitrogen
Chapter 1 · Amines: Structure and Properties
- Overview 8 min
- Classification and Nomenclature 8 min
- Structure and Physical Properties 9 min
- Formulas, Isomer Counts and Analysis 8 min
- Past JEE Questions: Structure and Properties 9 min
Chapter 2 · Preparation of Amines
- Reduction Methods 8 min
- From Alkyl Halides 9 min
- The Hoffmann Bromamide Degradation 8 min
- JEE Advanced and IIT-JEE Questions: Preparation 9 min
- AIEEE and Earlier JEE Main Questions: Preparation 8 min
Chapter 3 · Basic Character of Amines
- Aliphatic Amines 8 min
- Aromatic Amines and Other Nitrogen Bases 9 min
- Basicity Calculations and Separations 8 min
- JEE Advanced and IIT-JEE Questions: Basicity 8 min
- JEE Main and AIEEE Questions: Basicity 9 min
Chapter 4 · Reactions of Amines
- Alkylation and Acylation 8 min
- Carbylamine Reaction and Nitrous Acid 9 min
- Hinsberg's Test 8 min
- Ring Substitution in Aniline 9 min
- The Hoffmann Elimination 8 min
- JEE Advanced and IIT-JEE Questions (2001–2014): Reactions 9 min
- IIT-JEE Questions (1981–1999): Reactions 8 min
- AIEEE and Earlier JEE Main Questions: Reactions 8 min
Chapter 5 · Diazonium Salts
- Overview 9 min
- Diazotisation 8 min
- Replacement of the Diazonium Group 9 min
- Coupling Reactions 8 min
- JEE Advanced and IIT-JEE Questions (2000–2016): Diazonium Salts 9 min
- IIT-JEE Questions (1990–1999): Diazonium Salts 8 min
- AIEEE and Earlier JEE Main Questions: Diazonium Salts 8 min
Chapter 6 · Nitro Compounds, Cyanides and Amides
- Nitro Compounds 8 min
- Cyanides and Isocyanides 9 min
- Amides and Urea 9 min
- Conversions Through Nitrogen Compounds 8 min
- IIT-JEE Questions (1997–2009) 9 min
- IIT-JEE Questions (1986–1994) 8 min
- AIEEE and JEE Main Questions 9 min
Chapter 7 · Mixed JEE Main-Pattern Problems
Chapter 8 · Unit Problem Bank
- Overview 8 min
- Part A: JEE Main Level 8 min
- Part C: Concept Checks 9 min
Unit 19 · Biomolecules
Chapter 1 · Carbohydrates: Monosaccharides
- Classification of Carbohydrates 9 min
- Glucose: Preparation and Open-Chain Structure 9 min
- Cyclic Structure, Anomers and Mutarotation 9 min
- Fructose 9 min
- Working Problems on Glucose and Fructose 9 min
- JEE Advanced and IIT-JEE Questions: Monosaccharides 9 min
- AIEEE and Earlier JEE Main Questions: Monosaccharides 9 min
Chapter 2 · Disaccharides and Polysaccharides
- Disaccharides 8 min
- Sucrose and Invert Sugar 8 min
- Polysaccharides 8 min
- Tests and Importance of Carbohydrates 8 min
- JEE Advanced and IIT-JEE Questions: Di- and Polysaccharides 8 min
- AIEEE Questions: Di- and Polysaccharides 9 min
Chapter 3 · Amino Acids and Peptides
- The α-Amino Acids 9 min
- Zwitterions and the Isoelectric Point 8 min
- Peptides 8 min
- JEE Advanced and IIT-JEE Questions: Amino Acids and Peptides 8 min
- AIEEE and JEE Main Questions (to 2021): Amino Acids and Peptides 9 min