CBSE Class 11 Physics Deleted Syllabus 2025-26: Check Chapter-Wise Topics, And Exercises Removed

Chapter Name

Deleted Topics

Added Topics

Chapter 1: Physical World

Complete Chapter

-

Chapter 2: Units and Measurements 

Length, mass and time measurements; accuracy and precision of measuring instruments; errors in measurement

-

Chapter 3: Motion in a Straight Line 

Position-time graph, speed and velocity. Average Speed.

-

Chapter 4: Motion in a Plane

Relative Velocity, Acceleration Projectile

-

Chapter 5: Laws of Motion

-

-

Chapter 6: Work, Energy and Power

conservation of mechanical energy (kinetic and potential energies)

-

Chapter 7: System of Particles and Rotational Motion

Statement of parallel and perpendicular axes theorems and their applications.

-

Chapter 8: Gravitation  

Geo-stationary satellites, 

escape velocity changed to escape speed

-

Chapter 9: Mechanical Properties of Solids 

• 
  Elastic behaviour changed to Elasticity

• shear modulus of rigidity changed to shear modulus of rigidity (qualitative idea only)

-

Chapter 10: Mechanical Properties of Fluids

Bernoulli’s theorem and its applications changed to Bernoulli’s theorem and its simple applications

-

Chapter 11: Thermal Properties of Matter

Greenhouse effect

Chapter 12: Thermodynamics 

• 
  isothermal and adiabatic processes

• reversible and irreversible processes, Heat engine and refrigerator

gaseous state of matter, change of condition of gaseous state -isothermal, adiabatic, reversible, irreversible, and cyclic processes.

Chapter 13: Kinetic Theory 

-

-

Chapter 14: Oscillations

Free, forced and damped oscillations (qualitative ideas only), resonance.

periodic functions and their applications.

Chapter 15: Waves

Doppler effect

-

Chapters

Topics Deleted

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 

2.3 Measurement of Length

2.4 Measurement of Mass

2.5 Measurement of Time

2.6 Accuracy, Precision of

Instruments and Errors in Measurement

Exercises 2.13, 2.14, 2.19–2.22, 2.24–2.33

Chapter 3: Motion in a Straight Line 

3.2 Position, Path Length and Displacement

3.3 Average Velocity and Average Speed

3.7 Relative Velocity

Exercises 3.5, 3.7–3.9 and 3.23–3.28

Appendix 3.1

Chapter 4: Motion in a Plane

4.9 Relative Velocity in Two Dimensions 

Exercises 4.12–4.14; 4.26–4.32

Chapter 5: Laws of Motion

Exercises 5.24–5.40 

Chapter 6: Work, Energy and Power

6.10 Various Forms of Energy: the Law of Conservation of Energy Exercises 6.24–6.29

Chapter 7: System of Particles and Rotational Motion

7.10 Theorems of Perpendicular and Parallel Axes

7.14 Rolling Motion

Exercises 7.10, 7.18–7.19,

7.21–7.33

Chapter 8: Gravitation  

8.11 Geostationary and Polar Satellites

8.12 Weightlessness

Exercises 8.3–8.5, 8.22–8.25

Appendix 8.1

Chapter 9: Mechanical Properties of Solids 

9.2 Elastic Behaviour of Solids

9.6.2 Determination of Young’s Modulus of the Material of a Wire

Exercises 9.17 – 9.21

Chapter 10: Mechanical Properties of Fluids

10.4.2 Venturi-meter

10.4.3 Blood Flow and Heart Attack

10.6.6 Detergents and Surface Tension

Exercises 10.21–10.31

Appendix 10.1

Chapter 11: Thermal Properties of Matter

11.9.5 Greenhouse Effect

Exercises 11.21 – 11.22

Chapter 12: Thermodynamics 

12.9 Heat Engines

12.10 Refrigerators and Heat Pumps

Exercises 12.7 and 12.10

Chapter 13: Kinetic Theory 

13.6.5 Specific Heat Capacity of Water

Exercises 13.11–13.14

Chapter 14: Oscillations

14.9 Damped Simple Harmonic Motion

14.10 Forced Oscillations and Resonance

Exercises 14.16 (p. 365),

14.20–14.25 

Chapter 15: Waves

15.8 Doppler Effect

Exercises 15.20–15.27

Answers

In accordance with the reduction in Exercises in text.