# NCERT Physics class 11

Categories SYLLABUS

CHAPTER 1-PHYSICAL WORLD

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

CHAPTER 2-UNITS AND MEASUREMENTS

2.1 Introduction 16

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

CHAPTER 3-MOTION IN A STRAIGHT LINE

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

CHAPTER 4-MOTION IN A PLANE

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

CHAPTER 5- LAWS OF MOTION

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

CHAPTER 6 -WORK, ENERGY AND POWER

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

CHAPTER 7-SYSTEM OF PARTICLES AND ROTATIONAL MOTION

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

CHAPTER 8-GRAVITATION

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

CHAPTER 9-MECHANICAL PROPERTIES OF SOLIDS

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

CHAPTER 10-MECHANICAL PROPERTIES OF FLUIDS

10.1 Introduction

10.2 Pressure

10.3 Streamline flow

10.4 Bernoulli’s principle

10.5 Viscosity

10.6 Surface tension

CHAPTER 11 THERMAL PROPERTIES OF MATTER

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

CHAPTER 12 THERMODYNAMICS

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

CHAPTER 13-KINETIC THEORY

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

CHAPTER 14-OSCILLATIONS

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 Simple Harmonic Motion

14.9 Damped simple harmonic motion

14.10 Forced oscillations and resonance

CHAPTER 15-WAVES

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