CBSE Class 12 Physics (NCERT-based) syllabus
Chapters in the latest CBSE Class 12 Physics (NCERT-based) syllabus:
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Chapter 1: Electric Charges and Fields
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Chapter 2: Electrostatic Potential and Capacitance
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Chapter 3: Current Electricity
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Chapter 4: Moving Charges and Magnetism
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Chapter 5: Magnetism and Matter
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Chapter 6: Electromagnetic Induction
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Chapter 7: Alternating Current
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Chapter 8: Electromagnetic Waves
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Chapter 9: Ray Optics and Optical Instruments
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Chapter 10: Wave Optics
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Chapter 11: Dual Nature of Radiation and Matter
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Chapter 12: Atoms
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Chapter 13: Nuclei
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Chapter 14: Semiconductor Electronics: Materials, Devices and Simple Circuits.
Here’s the detailed breakdown for the Central Board of Secondary Education (CBSE) Class 12 Physics (NCERT-based) syllabus: units, mark weightage, and deleted topics (latest available).
📘 Units & Marks Weightage (Theory)
As per the 2024-25 / 2025-26 syllabus, theory exam is 70 marks.
Here is the approximate unit-wise distribution:
| Unit | Unit Title | Chapters included | Approx. Marks |
|---|---|---|---|
| Unit I & II | Electrostatics & Current Electricity | Chapter 1-3 | ~16 marks |
| Unit III & IV | Magnetic Effects of Current, Magnetism & Induction | Chapter 4-7 | ~17 marks |
| Unit V & VI | Electromagnetic Waves & Optics | Chapter 8-10 | ~18 marks |
| Unit VII & VIII | Dual Nature of Radiation & Matter, Atoms & Nuclei | Chapter 11-13 | ~12 marks |
| Unit IX | Electronic Devices | Chapter 14 | ~7 marks |
Practicals/Assessment:
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Practical exam carries 30 marks.
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For example: two experiments, record, activity, project, viva.
🗑 Deleted Topics
Certain topics have been removed (“deleted syllabus”) to streamline the curriculum. Here are key deletions for Physics Class 12:
| Chapter | Deleted Topics |
|---|---|
| Chapter 3: Current Electricity | Electrical Resistance, Carbon resistors, Colour-code for carbon resistors; Series & parallel combinations of resistors; Meter Bridge; Potentiometer (principle & applications) |
| Chapter 4: Moving Charges & Magnetism | Cyclotron |
| Chapter 5: Magnetism & Matter | Magnetic dipole moment of a revolving electron |
| Chapter 6: Electromagnetic Induction | Eddy currents |
| Chapter 7: Alternating Current | LC oscillations |
| Chapter 9: Ray Optics & Optical Instruments | Scattering of the light-blue colour of the sky & the reddish appearance of sun at sunrise/sunset |
| Chapter 10: Wave Optics | Resolving power of microscope & astronomical telescope; Polarisation, plane-polarised light, Brewster’s law, uses of plane-polarisers/Polaroids |
| Chapter 11: Dual Nature of Radiation & Matter | Davisson–Germer experiment |
| Chapter 13: Nuclei | Radioactivity: alpha, beta, gamma rays & their properties; Radioactive decay law |
| Chapter 14: Semiconductor Electronics | Special-purpose p-n junction diodes (LED, photodiode, solar cell); Zener diode as voltage regulator |
Deleted Experiments/Activities
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To compare EMF of two given primary cells using a potentiometer; to determine internal resistance of a given primary cell using a potentiometer.
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To draw characteristic curve of a Zener diode & determine its reverse breakdown voltage; To determine wavelength of a laser beam by diffraction.
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Activity: To observe the polarisation of light using two Polaroids.
✅ Summary
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The syllabus is divided into 9 units covering 14 chapters (theory part) with ~70 marks.
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Practical part is 30 marks.
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There is a clear list of deleted topics you don’t need to study (for the board exam) – the list above covers the major ones.
