CBSE Class 11 Physics Deleted Syllabus 2025–26 has been released as part of the revised NCERT curriculum for the current academic session. The Central Board of Secondary Education has removed multiple chapters, subtopics, and exercises to reduce academic load. Students preparing for the 2025–26 examinations must follow the updated syllabus strictly.
Awareness of the deleted syllabus helps students avoid unnecessary preparation. It allows better time management, reduced stress, and focused exam-oriented study.
CBSE Class 11 Physics Deleted Chapters and Topics 2025–26
CBSE has either fully removed or partially reduced content from several chapters. Some topics have been deleted completely, while others have been modified or restricted to qualitative understanding. The chapter-wise deleted syllabus is provided below for clear reference.
Chapter 1: Physical World
- Entire chapter removed
Chapter 2: Units and Measurements
- Measurement of length, mass, and time
- 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
- Projectile acceleration
Chapter 6: Work, Energy and Power
- Conservation of mechanical energy
Chapter 7: System of Particles and Rotational Motion
- Parallel and perpendicular axes theorems and applications
Chapter 8: Gravitation
- Geostationary satellites
- Escape velocity replaced with escape speed
Chapter 9: Mechanical Properties of Solids
- Elastic behaviour renamed as elasticity
- Shear modulus restricted to qualitative understanding
Chapter 10: Mechanical Properties of Fluids
- Bernoulli’s theorem limited to 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 processes
Chapter 14: Oscillations
- Free, forced, and damped oscillations
- Resonance
- Periodic functions and applications
Chapter 15: Waves
- Doppler effect
NCERT Class 11 Physics Deleted Topics and Exercises
NCERT has also removed specific textbook sections and exercises. Students should not prepare these topics for the academic year 2025–26. The following textbook content has been officially deleted.
Chapter 1: Physical World
- All sections from 1.1 to 1.5
Chapter 2: Units and Measurements
- Sections 2.3 to 2.6
- Exercises 2.13, 2.14, 2.19–2.22, 2.24–2.33
Chapter 3: Motion in a Straight Line
- Sections 3.2, 3.3, 3.7
- Appendix 3.1
- Exercises 3.5, 3.7–3.9, 3.23–3.28
Chapter 4: Motion in a Plane
- Section 4.9
- 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
- Section 6.10
- Exercises 6.24–6.29
Chapter 7: System of Particles and Rotational Motion
- Sections 7.10 and 7.14
- Exercises 7.10, 7.18–7.19, 7.21–7.33
Chapter 8: Gravitation
- Sections 8.11 and 8.12
- Appendix 8.1
- Exercises 8.3–8.5, 8.22–8.25
Chapter 9: Mechanical Properties of Solids
- Sections 9.2 and 9.6.2
- Exercises 9.17–9.21
Chapter 10: Mechanical Properties of Fluids
- Sections 10.4.2, 10.4.3, 10.6.6
- Appendix 10.1
- Exercises 10.21–10.31
Chapter 11: Thermal Properties of Matter
- Section 11.9.5
- Exercises 11.21–11.22
Chapter 12: Thermodynamics
- Sections 12.9 and 12.10
- Exercises 12.7 and 12.10
Chapter 13: Kinetic Theory
- Section 13.6.5
- Exercises 13.11–13.14
Chapter 14: Oscillations
- Sections 14.9 and 14.10
- Exercises 14.16, 14.20–14.25
Chapter 15: Waves
- Section 15.8
- Exercises 15.20–15.27
Students are advised to rely only on the revised NCERT textbooks and CBSE-prescribed syllabus while preparing for the Class 11 Physics examinations in the 2025–26 academic year.
