CBSE has deleted some topics from Physics syllabus including Electrical Resistance, Cyclotron, LC oscillations, Eddy Currents, Brewster's law, and more. Check here CBSE class 12 physics deleted syllabus 2025-26 and download revised syllabus.
Table of Contents
- CBSE Class 12 Physics Deleted Syllabus 2025-26
- CBSE Class 12th Physics Syllabus PDF Download
- CBSE Class 12th Physics Deleted Syllabus 2026 - Experiments
- CBSE Class 12 Physics Deleted Syllabus 2026 - Activities
- CBSE Class 12th Physics Deleted Syllabus 2026 - Investigatory Projects
- CBSE Class 12th Physics Syllabus 2025-26 (Updated PDF)
- How to Download CBSE Class 12 Physics Deleted Syllabus 2025-26
- Benefits of CBSE Class 12th Physics Deleted Syllabus 2026
The Central Board of Secondary Education (CBSE) has revised the class 12 syllabus for the Physics exam. As per the latest curriculum, the board has removed topics from 10 chapters across all units in the syllabus of the CBSE Class 12 Exam 2026 for Physics. In the CBSE class 12 Physics practical exam 2026, some portions have been removed from Experiments, Activites and Investigatory Project.
You can download the updated syllabus from the official website, i.e., cbse.gov.in, or from this page, which has been prepared as per the updated curriculum. You can also check the CBSE class 12 Physics exam pattern 2026 to check the chapter-wise marks distribution. This article covers complete details about the CBSE class 12 Physics deleted syllabus 2026.
CBSE Class 12 Physics Deleted Syllabus 2025-26
Some topics from the CBSE class 12 Physics syllabus 2025-26, such as Electrical Resistance, Cyclotron, LC oscillations, Eddy Currents, Brewster's law, and others from various chapters, have been removed. You can check from the table below for the detailed physics deleted syllabus class 12 CBSE 2025-26:
| Chapter | Page No. |
Dropped Topics and Chapters
|
| Chapter 1: Electric Charges and Fields | 2–7 47–50 |
1.2 Electric Charge (delete only activity with paper strips and making
electroscope) 1.3 Conductors and Insulators (delete only the concept of earthing) 1.4 Charging by Induction Exercises 1.13, 1.25–1.34 |
| Chapter 2: Electrostatic Potential and Capacitance | 81 87–92 |
2.15 Energy Stored in a Capacitor (delete only derivation)
Exercises 2.12 to 2.36 |
| Chapter 3: Current Electricity | 102–103 107–109 112–113 120–124 127–131 |
3.7 Resistivity of Various Materials (delete Tables 3.1 and 3.2 and Carbon
resistors, Colour code for carbon resistor) 3.10 Combinations of Resistors – Series and Parallel Example 3.5 3.15 Meter Bridge 3.16 Potentiometer Exercises 3.3, 3.4, 3.10, 3.12, 3.14–3.23 |
| Chapter 4: Moving Charges and Magnetism | 135 140–142 152–153 162–163 170–172 |
Table 4.1
4.4.1 Velocity Selector 4.4.2 Cyclotron 4.8.2 The Toroid 4.10.3 The Magnetic Dipole Moment of a Revolving Electron Exercises 4.14–4.28 |
| Chapter 5: Magnetism and Matter | 176–179 180 185–189 191 194–196 200–203 |
5.2.2 Bar Magnet as an Equivalent Solenoid (delete only mathematical
treatment) 5.2.3 The Dipole in a Uniform Magnetic Field (delete only mathematical treatment) Example 5.4 185–189 191 194–196 200–203 5.4 Earth’s Magnetism 5.41. Magnetic Declination and Dip Table 5.2 5.6.2 Paramagnetism (delete only Curie’s Law) 5.6.3 Ferromagnetism (delete only Curie’s temperature; and Hysteresis) 5.7 Permanent Magnets and Electromagnets Exercises 5.1, 5.2, 5.9–5.11, 5.13–5.25 |
| Chapter 6: Electromagnetic Induction | 215–219 230–232 |
6.7 Energy Consideration: A Quantitative Study
6.8 Eddy Currents Exercises 6.6, 6.10–6.17 |
| Chapter 7: Alternating Current | 240 243 246–247 249–251 255–259 266–268 |
Figure 7.7 Magnetisation and Demagnetisation of an Inductor
Figure 7.10 Charging and Discharging of a Capacitor 7.6.2 Analytical Solution (of series LCR circuit) 7.6.3 Resonance (delete only Sharpness of Resonance) 7.8 LC Oscillations Exercises 7.6, 7.8, 7.10, 7.12–7.26 |
| Chapter 8: Electromagnetic Waves | 273–274 276–278 279–280 287 |
Example 8.1
8.3.2 Nature of Electromagnetic Waves (delete only about ether and page 277) Example 8.4 and 8.5 Exercises 8.11–8.15 |
| Chapter 9: Ray Optics and Optical Instruments | 318 321–322 332–335 346 |
9.3 Refraction (delete only advanced sunrise and delayed sunset)
9.4.1(i) Mirage 9.4.1(ii) Diamond 9.7 Some Natural Phenomena Due to Sunlight 9.7.1 The Rainbow 9.7.2 Scattering of Light Exercise 9.18 |
| Chapter 10: Wave Optics | 358–359 359 363–367 368–371 372–376 379–381 383–385 |
10.3.4 Doppler Effect
Example 10.1 10.5 Interference of Light Waves and Young’s Experiment (retain the final expressions for dark and bright fringes but delete the derivation; delete expression for fringe width) 10.6 Diffraction (retain only qualitative treatment) 10.6.3 Resolving Power of Optical Instruments 10.6.4 Validity of Ray Optics 10.7.1 Polarisation by Scattering 10.7.2 Polarisation by Reflection Exercises 10.7–10.21 |
| Chapter 11: Dual Nature of Radiation and Matter | 388 397 400–404 407–413 |
Table 11.1
Example 11.3 11.8 Wave Nature of Matter (delete only derivation for de Broglie wavelength of accelerated electron; and Heisenberg’s uncertainty principle) 11.9 Davisson and Germer Experiment Appendix 11.1 The History of Wave-Particle Flip-Flop Exercises 11.5, 11.7, 11.12 to 11.14, 11.16, 11.17, 11.19–11.37 |
| Chapter 12: Atoms | 21–422 424–426 429 430 436–437 |
12.3.1 Spectral Series
12.4 Bohr Model of the Hydrogen Atom (retain only the expression for the radius of the nth possible orbit but delete its derivation) 12.5 The Line Spectra of the Hydrogen Atom (retain only qualitative treatment) Example 12.6 Exercises 12.3, 12.11–12.17 |
| Chapter 13: Nuclei | 446–451 452–455 462–466 |
13.6.1 Law of Radioactive Decay
13.6.2 Alpha Decay 13.6.3 Beta Decay 13.6.4 Gamma Decay 13.7.2 Nuclear Reactor Exercises 13.1, 13.2, 13.6–13.10, 13.12–13.14, 13.18, 13.22 13.31 |
| Chapter 14: Semiconductor Electronics: Material Devices and Simple Circuits | 485–495 497–499 |
14.8 Special Purpose p-n junction Diodes
14.9 Digital Electronics and Logic Gates Exercises 14.7–14.15 |
CBSE Class 12th Physics Syllabus PDF Download
You can download the PDF for the CBSE class 12th Physics updated syllabus from the table below:
| Particular | Detail |
| CBSE Class 12 Physics Syllabus 2025-26 | Download Here |
CBSE Class 12th Physics Deleted Syllabus 2026 - Experiments
Students must also check the table below to note the list of deleted experiments from Sections A and B.
| Section A |
|
| Section B |
|
CBSE Class 12 Physics Deleted Syllabus 2026 - Activities
The CBSE board has removed a single activity from the CBSE class 12 physics practical syllabus. Candidates can check the table below to know the class 12 physics deleted syllabus 2026
| Particulars | Deleted Activity (For Demonstration Only) |
| Physics Deleted Activities | To observe the polarisation of light using two Polaroids. |
CBSE Class 12th Physics Deleted Syllabus 2026 - Investigatory Projects
As per the CBSE class 12 Physics deleted syllabus 2026, authorities have deleted an investigatory project from the practical exam syllabus, details of which are provided in the table below.
| Particulars | Deleted Suggested Investigatory Project |
| Physics Deleted Project | To design an appropriate logic gate combination for a given truth table. |
Also Read: CBSE Class 12th Physics Practical Syllabus 2025-26
CBSE Class 12th Physics Syllabus 2025-26 (Updated PDF)
The CBSE class 12 syllabus 2025-26 has been released for all subjects, including Physics, on the board's official website. Candidates can click on the link provided below to download the updated CBSE class 12 Physics syllabus 2025-26:
| CBSE Class 12 Physics Syllabus 2025-26 PDF Download |
Also Read: CBSE Class 12 Physics Preparation Tips
How to Download CBSE Class 12 Physics Deleted Syllabus 2025-26
Candidates need to go through the revised syllabus before starting their preparation for the CBSE Class 12 Exam 2026. Candidates can follow the steps mentioned below to download the CBSE class 12th Physics deleted syllabus 2026:
- Step 1: Visit the official website of CBSE at cbse.gov.in.
- Step 2: Go to the 'Academic Website' section.
- Step 3: On the main page, click on the 'Curriculum' option on the navigation bar. From the drop-down menu, select the 'Curriculum 2025-26' option.
- Step 4: A new page will appear. Click on the 'Senior Secondary Curriculum (XI-XII)' option.
- Step 5: From the menu that opens, select 'Academic Electives - (Group-A)'
- Step 6: Click on the Physics link.
- Step 7: A PDF will open. Save the CBSE class 12 Physics syllabus 2025-26 for future reference.
Also Read: CBSE Class 12th Half Yearly Question Papers
Benefits of CBSE Class 12th Physics Deleted Syllabus 2026
With various chapters and topics removed, students can now focus on studying fewer topics and prepare for the upcoming board exam accordingly. The pointers below shows the benefits of preparing with the class 12 CBSE Physics deleted syllabus.
- Firstly, students will find the updated curriculum more relaxed and flexible after implementing the CBSE Class 12 physics deleted syllabus 2025-26.
- With the Physics deleted syllabus class 12 CBSE 2025-26, students can focus on essential topics, leading to better productivity.
- Students can learn the existing topics independently and do not require teachers or peers to guide them through the deleted syllabus of class 12 Physics 2025-26.
- The current curriculum focuses on concepts that are current with present-day scenarios.
POST YOUR COMMENT