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CBSE Class XI / XII, 2021, 2022, 2023

CBSE Class XI (NCERT), 2021, 2022, 2023, Physics eBook

Please click on the following chapters to go to eBooks

C H A P T E R 1
PHYSICAL WORLD Click Here for eBook on this chapter
1.1 What is Physics?
1.2 Scope and excitement of physics
1.3 Physics, technology and society
1.4 Fundamental forces in nature
1.5 Nature of physical laws

C H A P T E R 2
UNITS AND MEASUREMENTS Click Here for eBook on this chapter
2.1 Introduction
2.2 The international system of units
2.3 Measurement of length
2.4 Measurement of mass
2.5 Measurement of time
2.6 Accuracy, precision of instruments and errors in measurement
2.7 Significant figures
2.8 Dimensions of physical quantities
2.9 Dimensional formulae and dimensional equations
2.10 Dimensional analysis and its applications
2.11 Dimensional formulae of physical quantities
2.12.Exercises
2.13.Answers to Exercises

C H A P T E R 3
MOTION IN A STRAIGHT LINE Click Here for eBook on this chapter
3.1 Introduction
3.2 Position, path length and displacement
3.3 Average velocity and average speed
3.4 Instantaneous velocity and speed
3.5 Acceleration
3.6 Kinematic equations for uniformly accelerated motion
3.7 Relative velocity
3.8 Summary
3.9 Physical Quantities and Dimensions
3.10 Points to Ponder
3.11 Exercises
3.12 Elements of Calculus
3.13 Answers to Exercises

C H A P T E R 4
MOTION IN A PLANE Click Here for eBook on this chapter
4.1 Introduction
4.2 Scalars and vectors
4.3 Multiplication of vectors by real numbers
4.4 Addition and subtraction of vectors – graphical method
4.5 Resolution of vectors
4.6 Vector addition – analytical method
4.7 Motion in a plane
4.8 Motion in a plane with constant acceleration
4.9 Relative velocity in two dimensions
4.10 Projectile motion
4.11 Uniform circular motion
4.12 Summary
4.13 Physical Quantities and Dimensions
4.14 Points to Ponder
4.15 Exercises
4.16 Answers to Exercises

C H A P T E R 5
LAWS OF MOTION Click Here for eBook on this chapter
5.1 Introduction
5.2 Aristotle’s fallacy
5.3 The law of inertia
5.4 Newton’s first law of motion
5.5 Newton’s second law of motion
5.6 Newton’s third law of motion
5.7 Conservation of momentum
5.8 Equilibrium of a particle
5.9 Common forces in mechanics
5.10 Circular motion
5.11 Solving problems in mechanics
5.12 Summary
5.13 Physical Quantities and Dimensions
5.14 Points to Ponder
5.15 Exercises
5.16 Answers to Exercises

C H A P T E R 6
WORK, ENERGY AND POWER Click Here for eBook on this chapter
6.1 Introduction
6.2 Notions of work and kinetic energy: The work-energy theorem
6.3 Work
6.4 Kinetic energy
6.5 Work done by a variable force
6.6 The work-energy theorem for a variable force
6.7 The concept of potential energy
6.8 The conservation of mechanical energy
6.9 The potential energy of a spring
6.10 Various forms of energy: the law of conservation of energy
6.11 Power
6.12 Collisions
6.13 Summary
6.14 Physical Quantities and Dimensions
6.15 Points to Ponder
6.16 Exercises
6.16 Answers to Exercises

C H A P T E R 7
SYSTEM OF PARTICLES AND ROTATIONAL MOTION Click Here for eBook on this chapter
7.1 Introduction
7.2 Centre of mass
7.3 Motion of centre of mass
7.4 Linear momentum of a system of particles
7.5 Vector product of two vectors
7.6 Angular velocity and its relation with linear velocity
7.7 Torque and angular momentum
7.8 Equilibrium of a rigid body
7.9 Moment of inertia
7.10 Theorems of perpendicular and parallel axes
7.11 Kinematics of rotational motion about a fixed axis
7.12 Dynamics of rotational motion about a fixed axis
7.13 Angular momentum in case of rotations about a fixed axis
7.14 Rolling motion
7.15 Summary
7.16 Physical Quantities and Dimensions
7.17 Points to Ponder
7.18 Exercises
7.18 Answers to  Exercises

C H A P T E R 8
GRAVITATION Click Here for eBook on this chapter
8.1 Introduction
8.2 Kepler’s laws
8.3 Universal law of gravitation
8.4 The gravitational constant
8.5 Acceleration due to gravity of the earth
8.6 Acceleration due to gravity below and above the surface of earth
8.7 Gravitational potential energy
8.8 Escape speed
8.9 Earth satellite
8.10 Energy of an orbiting satellite
8.11 Geostationary and polar satellites
8.12 Weightlessness
8.13 Summary
8.14 Physical Quantities and Dimensions
8.15 Points to Ponder
8.16 Exercise
8.17 Answers to Exercise

C H A P T E R 9
MECHANICAL PROPERTIES OF SOLIDS Click Here for eBook on this chapter
9.1 Introduction
9.2 Elastic behaviour of solids
9.3 Stress and strain
9.4 Hooke’s law
9.5 Stress-strain curve
9.6 Elastic moduli
9.7 Applications of elastic behaviour of materials
9.8 Summary
9.9 Points to Ponder
9.10 Exercise
9.11 Answers to Exercise

C H A P T E R 10
MECHANICAL PROPERTIES OF FLUIDS Click Here for eBook on this chapter
10.1 Introduction
10.2 Pressure
10.3 Streamline flow
10.4 Bernoulli’s principle
10.5 Viscosity
10.6 Reynolds number
10.7 Surface tension
10.8 Summary
10.9 Points to Ponder
10.10 Physical Quantities and Dimensions
10.11 Exercise
10.12 Answers to Exercise

C H A P T E R 11
THERMAL PROPERTIES OF MATTER Click Here for eBook on this chapter
11.1 Introduction
11.2 Temperature and heat
11.3 Measurement of temperature
11.4 Ideal-gas equation and absolute temperature
11.5 Thermal expansion
11.6 Specific heat capacity
11.7 Calorimetry
11.8 Change of state
11.9 Heat transfer
11.10 Newton’s law of cooling
11.11 Summary
11.12 Physical Quantities and Dimensions
11.13 Points to Ponder
11.14 Exercises
11.15 Answers to Exercises

C H A P T E R 12
THERMODYNAMICS Click Here for eBook on this chapter
12.1 Introduction
12.2 Thermal equilibrium
12.3 Zeroth law of thermodynamics
12.4 Heat, internal energy and work
12.5 First law of thermodynamics
12.6 Specific heat capacity
12.7 Thermodynamic state variables and equation of state
12.8 Thermodynamic processes
12.9 Heat engines
12.10 Refrigerators and heat pumps
12.11 Second law of thermodynamics
12.12 Reversible and irreversible processes
12.13 Carnot engine
12.14 Summary
12.15 Physical Quantities and Dimensions
12.16 Points to Ponder
12.17 Exercises
12.18 Answers to Exercises

C H A P T E R 13
KINETIC THEORY Click Here for eBook on this chapter
13.1 Introduction
13.2 Molecular nature of matter
13.3 Behaviour of gases
13.4 Kinetic theory of an ideal gas
13.5 Law of equipartition of energy
13.6 Specific heat capacity
13.7 Mean free path
13.8 Summary
13.9 Points to Ponder
13.10 Exercises
13.11 Answers to Exercises

C H A P T E R 14
OSCILLATIONS Click Here for eBook on this chapter
14.1 Introduction
14.2 Periodic and oscilatory motions
14.3 Simple harmonic motion
14.4 Simple harmonic motion and uniform circular motion
14.5 Velocity and acceleration in simple harmonic motion
14.6 Force law for simple harmonic motion
14.7 Energy in simple harmonic motion
14.8 Some systems executing SHM
14.9 Damped simple harmonic motion
14.10 Forced oscillations and resonance
14.11 Summary
14.12 Physical Quantities and Dimensions
14.13 Points to Ponder
14.14 Exercises
14.15 Answers to Exercises

C H A P T E R 15
WAVES Click Here for eBook on this chapter
15.1 Introduction
15.2 Transverse and longitudinal waves
15.3 Displacement relation in a progressive wave
15.4 The speed of a travelling wave
15.5 The principle of superposition of waves
15.6 Reflection of waves
15.7 Beats
15.8 Doppler Effect
15.9 Summary
15.10 Physical Quantities and Dimensions
15.11 Points to Ponder
15.12 Exercises
15.13 Answers to Exercises

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CBSE Notes

Physics Learning Quiz

Please Select Chapter(s)
CBSE Physics
1.Physical World
2.Units and Measurement
Kinematics
3.Motion in a Straight Line
4.Motion in a Plane
5.Laws of Motion
6.Work, Energy and Power
7.Motion of System of Particles and Rotational Motion (Rigid Body)
8.Gravitation
Properties of Bulk Matter
9.Mechanical Properties of Solids
10.Mechanical Properties of Fluids
11.Thermal Properties of Matter
12.Thermodynamics
13.Behaviour of Perfect Gas and Kinetic Theory
14.Oscillations
15.Waves
Electrostatics
16.Electric Charges and Fields
17.Electrostatic Potential and Capacitance
18.Current Electricity
19.Moving Charges (Magnetic Effect of Current) and Magnetism
20.Magnetism and Matter
21.Electromagnetic Induction
22.Alternating Current
23.Electromagnetic Waves
24.Geometric Optics (Ray Optics)
25.Physical Optics (Wave Optics)
26.Dual Nature of Matter and Radiation
27.Atoms
28.Nuclei
29.Electronic Devices
30.Communication Systems
All Chapters

Chemistry Learning Quiz

Please Select Chapter(s)
CBSE Chemistry
1.Some Basic Concepts of Chemistry
2.Structure of Atom
3.Classification of Elements and Periodicity in Properties
4.Chemical Bonding and Molecular Structure
5.States of Matter
6.Thermodynamics
7.Equilibrium
8.Redox Reactions
9.Hydrogen
10.The s-block Elements
11.The p-block Elements
Organic Chemistry
12.Organic Chemistry - Some Basic Principles and Techniques
13.Hydrocarbons
14.Environmental Chemistry
15.The Solid State
16.Solutions
17.Electrochemistry
18.Chemical Kinetics
19.Surface Chemistry
20.General Principles and Processes of Isolation of Elements
21.The p-Block Elements
22.The d-and f-Block Elements
23.Coordination Compounds
24.Haloalkanes and Haloarenes
25.Alcohols, Phenols and Ethers
26.Aldehydes, Ketones and Carboxylic Acids
27.Amines
28.Biomolecules
29.Polymers
30.Chemistry in Everyday Life
All Chapters

Maths Learning Quiz

Please Select Chapter(s)
CBSE Maths
1.Sets
2.Relations and Functions-1
3.Trigonometric Functions
4.Principle of Mathematical Induction
5.Complex Numbers and Quadratic Equations
6.Linear Inequalities
7.Permutations and Combinations
8.Binomial Theorem
9.Sequences and Series
10.Straight Lines
11.Conic Sections
12.Introduction to Three Dimensional Geometry
13.Limits and Derivatives
14.Mathematical Reasoning
15.Statistics
16.Probability-1
17.Infinite Series
18.Mathematical Modeling
19.Relations and Functions-2
20.Inverse Trigonometric Functions
21.Matrices
22.Determinants
23.Continuity and Differentiabilitybr /> 24.Application of Derivatives
25.Integrals
26.Application of Integrals
27.Differential Equations
28.Vector Algebra
29.Three Dimensional Geometry
30.Linear Programming
31.Probability-2
All Chapters

Biology Learning Quiz

Please Select Chapter(s)
NEET Biology
Diversity in the Living World
1.The Living World
2.Biological Classification
3.Plant Kingdom
4.Animal Kingdom
Structural Organisation in Plants and Animals
5.Morphology of Flowering Plants
6.Anatomy of Flowering Plants
7.Structural Organisation in Animals
Cell: Structure and Functions
8.Cell:The Unit of Life
9.Biomolecules
10.Cell Cycle and Cell Division
Plant Physiology
11.Transport in Plants
12.Mineral Nutrition
13.Photosynthesis in Higher Plants
14.Respiration in Plants
15.Plant Growth and Development
Human Physiology
16.Digestion and Absorption
17.Breathing and Exchange of Gases
18.Body Fluids and Circulation
19.Excretory Products and their Elimination
20.Locomotion and Movement
21.Neural Control and Coordination
22.Chemical Coordination and Integration
Reproduction
23.Reproduction in Organisms
24.Sexual Reproduction in Flowering Plants
25.Human Reproduction
26.Reproductive Health
Genetics and Evolution
27.Principles of Inheritance and Variation
28.Molecular Basis of Inheritance
29.Evolution
Biology in Human Welfare
30.Human Health and Disease
31.Strategies for Enhancement in Food Production
32.Microbes in Human Welfare
Biotechnology
33.Biotechnology : Principles and Processes
34.Biotechnology and its Applications
Ecology
35.Organisms and Populations
36.Ecosystem
37.Biodiversity and Conservation
38.Environmental Issues
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