CBSE · Class 11
Lessons of CBSE Class 11: simple summaries, tricks, solved examples and practice questions with answers. Reading the summaries is free.
Class 11 plan: ₹789 / yearAll tests for 1 year. Summaries and the first test of every lesson are free.
Start in the appPhysics 14 lessons
Chapter 1: Units and Measurement5 conceptsChapter 2: Motion in a Straight Line5 conceptsChapter 3: Motion in a Plane7 conceptsChapter 4: Laws of Motion8 conceptsChapter 5: Work, Energy and Power7 conceptsChapter 6: Systems of Particles and Rotational Motion9 conceptsChapter 7: Gravitation5 conceptsChapter 8: Mechanical Properties of Solids7 conceptsChapter 9: Mechanical Properties of Fluids7 conceptsChapter 10: Thermal Properties of Matter8 conceptsChapter 11: Thermodynamics7 conceptsChapter 12: Kinetic Theory6 conceptsChapter 13: Oscillations7 conceptsChapter 14: Waves7 concepts
Chemistry 9 lessons
Chapter 1: Some Basic Concepts of Chemistry6 conceptsChapter 2: Structure of Atom6 conceptsChapter 3: Classification of Elements and Periodicity in Properties5 conceptsChapter 4: Chemical Bonding and Molecular Structure7 conceptsChapter 5: Thermodynamics6 conceptsChapter 6: Equilibrium6 conceptsChapter 7: Redox Reactions5 conceptsChapter 8: Organic Chemistry – Some Basic Principles and Techniques6 conceptsChapter 9: Hydrocarbons6 concepts
Biology 15 lessons
Chapter 1: The Living World5 conceptsChapter 2: Biological Classification6 conceptsChapter 3: Plant Kingdom7 conceptsChapter 4: Animal Kingdom8 conceptsChapter 5: Morphology of Flowering Plants7 conceptsChapter 6: Anatomy of Flowering Plants6 conceptsChapter 7: Structural Organisation in Animals7 conceptsChapter 8: Cell: The Unit of Life8 conceptsChapter 9: Biomolecules7 conceptsChapter 10: Cell Cycle and Cell Division6 conceptsChapter 11: Photosynthesis in Higher Plants7 conceptsChapter 12: Respiration in Plants6 conceptsChapter 13: Plant Growth and Development5 conceptsChapter 14: Breathing and Exchange of Gases5 conceptsChapter 15: Body Fluids and Circulation6 concepts
Mathematics 37 lessons
Sets and Their Representations (Ch 1: 1.2 to 1.5)4 concepts · 2 testsSubsets, Intervals and Venn Diagrams (Ch 1: 1.6 to 1.8)4 concepts · 2 testsOperations on Sets (Ch 1: 1.9 and 1.10)5 concepts · 2 testsCartesian Products and Relations (Ch 2: 2.2 and 2.3)3 concepts · 2 testsFunctions (Ch 2: 2.4)4 concepts · 2 testsAngles and Radian Measure (Ch 3: 3.2)4 concepts · 2 testsTrigonometric Functions (Ch 3: 3.3)5 concepts · 2 testsSum and Difference of Angles (Ch 3: 3.4, part 1)4 concepts · 2 testsMultiple Angles and Product-Sum Formulas (Ch 3: 3.4, part 2)4 concepts · 2 testsComplex Numbers and Their Algebra (Ch 4: 4.2 and 4.3)4 concepts · 2 testsModulus, Conjugate and the Argand Plane (Ch 4: 4.4 and 4.5)4 concepts · 2 testsLinear Inequalities (Ch 5)4 concepts · 2 testsFundamental Principle of Counting and Factorial (Ch 6: 6.2 and 6.3.2)3 concepts · 2 testsPermutations (Ch 6: 6.3)4 concepts · 2 testsCombinations (Ch 6: 6.4)4 concepts · 2 testsBinomial Theorem (Ch 7)4 concepts · 2 testsSequences and Series (Ch 8: 8.2 and 8.3)2 concepts · 2 testsGeometric Progression and A.M.–G.M. (Ch 8: 8.4 and 8.5)4 concepts · 2 testsSlope of a Line and Angle Between Lines (Ch 9: 9.2)3 concepts · 2 testsEquations of a Line (Ch 9: 9.3)4 concepts · 2 testsDistance of a Point from a Line (Ch 9: 9.4)3 concepts · 2 testsConic Sections and the Circle (Ch 10: 10.2 and 10.3)4 concepts · 2 testsParabola (Ch 10: 10.4)4 concepts · 2 testsEllipse (Ch 10: 10.5)3 concepts · 2 testsHyperbola (Ch 10: 10.6)3 concepts · 2 testsIntroduction to Three Dimensional Geometry (Ch 11)3 concepts · 2 testsLimits (Ch 12: 12.2 and 12.3)3 concepts · 2 testsLimits of Trigonometric Functions (Ch 12: 12.4)2 concepts · 2 testsDerivatives (Ch 12: 12.5)4 concepts · 2 testsStatistics: Range and Mean Deviation (Ch 13)4 concepts · 2 testsStatistics: Variance and Standard Deviation (Ch 13)4 concepts · 2 testsProbability: Sample Space and Events (Ch 14)4 concepts · 2 testsProbability (Ch 14)4 concepts · 2 testsBinomial Series for Any Index (Appendix 1: A.1.2)3 concepts · 2 testsInfinite Geometric Series (Appendix 1: A.1.3)3 concepts · 2 testsExponential Series (Appendix 1: A.1.4)3 concepts · 2 testsLogarithmic Series (Appendix 1: A.1.5)2 concepts · 2 tests