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CBSE Class 12 · Physics · 2025-26

CBSE Class 12 Physics Syllabus 2025-26

Official chapter-wise syllabus for CBSE Class 12 Physics — unit-wise marks distribution, list of deleted/reduced topics, and the 2025-26 exam paper pattern. Use this page alongside the Class 12 Physics preparation guide for full exam readiness.

2025-26

Academic Year

Theory Marks

Practical Marks

Total Chapters

Unit-Wise Marks Distribution

125 marks (theory)

Unit I: Electrostatics

Electric Charges and Fields · Electrostatic Potential and Capacitance

16M

13% of theory marks

Unit II: Current Electricity

Current Electricity

17M

14% of theory marks

Unit III: Magnetic Effects of Current & Magnetism

Moving Charges and Magnetism · Magnetism and Matter

18M

14% of theory marks

Unit IV: Electromagnetic Induction & Alternating Currents

Electromagnetic Induction · Alternating Current

20M

16% of theory marks

Unit V: Electromagnetic Waves

Electromagnetic Waves

3% of theory marks

Unit VI: Optics

Ray Optics and Optical Instruments · Wave Optics

18M

14% of theory marks

Unit VII: Dual Nature of Radiation and Matter

Dual Nature of Radiation and Matter

12M

10% of theory marks

Unit VIII: Atoms & Nuclei

Atoms · Nuclei

12M

10% of theory marks

Unit IX: Electronic Devices

Semiconductor Electronics: Materials, Devices and Simple Circuits

6% of theory marks

Chapter-Wise Syllabus

13 chapters

#	Chapter	Marks	Key Topics
1	Electric Charges & Fields	5	Coulomb's Law · Electric Field · Gauss's Law · Electric Dipole
2	Electrostatic Potential & Capacitance	3	Potential Energy · Capacitors · Dielectrics
3	Current Electricity	7	Ohm's Law · Kirchhoff's Laws · Wheatstone Bridge · Potentiometer
4	Magnetic Effects of Current	5	Biot-Savart Law · Ampere's Law · Moving Coil Galvanometer
5	Magnetism & Matter	3	Bar Magnet · Magnetic Properties · Hysteresis
6	Electromagnetic Induction	4	Faraday's Laws · Lenz's Law · Self & Mutual Inductance
7	Alternating Current	4	RMS Values · LCR Circuit · Resonance · Power in AC
8	Electromagnetic Waves	3	Displacement Current · EM Spectrum · Properties of EM Waves
9	Ray Optics	8	Mirror Formula · Lens Formula · TIR · Optical Instruments
10	Wave Optics	6	Huygens Principle · Young's Double Slit · Diffraction · Polarisation
11	Dual Nature of Radiation	4	Photoelectric Effect · Einstein's Equation · de Broglie Wavelength
12	Atoms & Nuclei	6	Bohr's Model · Hydrogen Spectrum · Nuclear Binding Energy · Radioactivity
13	Semiconductor Electronics	7	p-n Junction · Logic Gates · Transistor · Zener Diode

Deleted / Reduced Topics 2025-26

Note: The following topics have been deleted or reduced from the CBSE Class 12 Physics syllabus. Do not spend time studying these for the 2025-26 board exam. Always verify with the official CBSE syllabus document before your exam.

✗

Communication Systems

Entire chapter removed from board syllabus

✗

Magnetism and Matter

Hysteresis loop — detailed numerical treatment

✗

Electromagnetic Waves

Displacement current derivation (statement only required)

✗

Semiconductor Electronics

Logic gates (all combinations) removed

Exam Paper Pattern 2025-26

70 marks total

Section	Question Type	Marks/Q	Count	Total
Section A	MCQ / Assertion-Reason	1	16	16
Section B	Very Short Answer (VSA)	2	5	10
Section C	Short Answer (SA)	3	7	21
Section D	Long Answer (LA)	5	3	15
Section E	Case Study / Source Based	4	2	8
Total Theory Marks				70

Practical / Internal Assessment Marks — assessed throughout the year by your school (projects, lab work, notebooks).

How to Use This Syllabus

Prioritise by marks

Use the unit-wise distribution above. Focus first on units with 20+ marks — they give the best return on study time.

Skip deleted topics

CBSE will not ask deleted topics in the board exam. Don't waste time on them — use that time for NCERT exercises instead.

Know the paper pattern

Section E (Case Study) has new-format questions many students ignore. Practise these separately — they're easy marks.

From syllabus to practice

You know the syllabus. Now practise it.

ClearSteps gives you chapter-wise mock tests aligned to the exact CBSE Class 12 Physics syllabus, with AI evaluation against the official marking scheme.

Start Practising Free →View Preparation Guide