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Physics XI Part-II

NCERT via Swayam


Physics Course 2 covers the second book of physics for class 11. The course starts with bulk properties of matter, giving scientific names to many phenomena that we observe around us. The course explains the peculiar behaviour of materials in different states of matter. This part is therefore very exciting. We will cover kinetic theory of gases and thermodynamics. Both these units will help us to justify the behaviour of gases for innumerable uses related to getting mechanical work done by heat. The challenging unit on oscillations and waves has been dealt with differently to explain kinematics and dynamic of oscillators. Wave motion as a method of energy propagation and properties of waves, the cases of superposition are explained with simplicity. The course has 4 units covered over 42 modules for better understanding. Based on feedback from teachers and students we have included modules after completion of each unit to enhance the unit by additional examples and explanations.This course has 4 unitsProperties of Bulk matterThermodynamicsBehaviour of perfect gases and kinetic theory of gasesOscillations and wavesThe aim and design of the course is to develop a deeper understanding of different concepts in Physics. As you work through the course, you will find lecture videos, e-text, suggestions for problem solving methods, animations, practice questions, study guides. Assignments and Tests are provided to keep track of your achievements.This course is divided into 42 modules for better understanding.


Unit No.

Module No.

Module Name

Unit 7 –

Properties of Bulk Matter

Module 1

Bulk properties of matter

Module 2

Elastic behaviour of materials

Module 3

Searle’s apparatus

Module 4

Bulk Modulus of Elasticity

Module 5

Modulus of Rigidity

Module 6

Pressure Exerted by Fluids

Module 7


Module 8

Fluid flow

Module 9

Bernoulli’s principle

Module 10

Surface tension

Module 11

Effects of surface tension

Module 12

Thermal energy and temperature

Module 13

Thermal expansion

Module 14

Specific heat

Module 15

Change of state

Module 16

Heat transfer

Module 17


Extra Reading Materials

Unit 8 –


Module 18

Basics of thermodynamics

Module 19

Internal energy

Module 20

First law of thermodynamics

Module 21

Second law of thermodynamics

Module 22


Module 23

Questions based on thermodynamics

Extra Reading Materials

Unit 9 –

Behaviour of Perfect gases and Kinetic Theory

Module 24

Ideal Gas

Module 25

Pressure exerted by a gas

Module 26

Speed of molecules of a gas

Module 27

Degree of freedom

Extra Reading Materials

Unit 10 –

Oscillation and Waves

Module 28

Periodic motion

Module 29

Simple harmonic motion

Module 30

Kinematics of an oscillator

Module 31

Mechanical energy of a harmonic oscillator

Module 32

Dynamics of a Harmonic Oscillator

Module 33

Simple Pendulum

Module 34

Simple Pendulum and itsApplications

Module 35

Free Forced Vibrations and Resonance

Module 36

Propagation of Energy-Wave Motion

Module 37

Propagation of Waves

Module 38

Properties of Waves

Module 39

Standing waves in Strings

Module 40

Standing waves in pipes

Module 41


Module 42

Doppler’s Effect

Extra Reading Materials

Final Assessment

Taught by

Anuradha Mathur

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