Exam On - 17 Feb '26 - 5 Mar '26
Students appearing for CBSE Class 12 Physics exams should be aware of the exam pattern, which shares the weightage given to every chapter of the subject. This article shares the CBSE Class 12 Physics Chapters to get Maximum Marks. Students must thoroughly go through them to ensure that they score well…
CBSE Class 12 Physics Chapters to get Maximum Marks – The Central Board of Secondary Education (CBSE) will conduct the CBSE 12th exams 2026 between February 17 and April 10, 2026. The CBSE Class 12 Physics exam 2026 will be held on February 20, 2026.
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Students preparing for the CBSE 12th Exam 2026 Physics can check below the chapters that must read in order to score high in the subject. Along with the prep tips, we have also shared the chapter-wise weightage of marks, and more.
Also read: CBSE 12th Date Sheet 2026
- CBSE Class 12 Physics Weightage 2026 Overview
- CBSE Class 12 Physics Topics carrying High Marks
- CBSE Physics Class 12: Chapter-wise Weightage of Topics
- CBSE Class 12 Physics Exam 2026: Weightage for Practical Exam
- CBSE Class 12 Physics Preparation Tips to Score Well
CBSE Class 12 Physics Weightage 2026 Overview
Physics exam for Class 12 tests both the theoretical and practical components. Below is an overview of the marks distribution.
| Component |
Marks |
Details |
|---|---|---|
| Theory Exam |
70 |
Covers all Physics units with derivations, numericals and concepts |
| Practical Exam |
30 |
Includes experiments, activities, and viva |
| Total |
100 |
Balanced focus on theory and practical knowledge |
CBSE Class 12 Physics Topics carrying High Marks
To score high in CBSE Class 12 Physics theory exam, students must prioritize high-weightage units: Optics (14+ marks), Electrostatics (10+ marks), Magnetic Effects & Magnetism (11+ marks), and Semiconductors [1-3]. Other high-scoring, relatively easier chapters include Dual Nature, Atoms, Nuclei, and Electromagnetic Induction.
Also Read: Click to download CBSE 12th physics sample papers and previous years' ques papers
CBSE 12th Physics - Top High-Weightage Chapters for Maximum Marks
Optics (Ray & Wave Optics): Consistently carries the highest weightage (approx. 14–15 marks). Focus on lens makers' formula, mirror formula, microscope, telescope, and wave optics phenomena (diffraction/interference).
Electrostatics: (Chapters 1 & 2) – High weightage (approx. 10 marks), focusing on Coulomb's law, Gauss's law applications, and capacitors.
Magnetic Effects of Current & Magnetism: (Chapters 3, 4, 5, 6) – High weightage (approx. 11 marks), focusing on Biot-Savart law, Ampere's law, and Faraday's laws.
Semiconductors & Electronic Devices: Highly scoring, conceptual, and carries good weightage (approx. 7 marks).
Electromagnetic Waves & Alternating Current: Generally easy with high-scoring, formula-based questions.
Also read: CBSE Class 12 Syllabus 2026
CBSE Physics Class 12: Chapter-wise Weightage of Topics
Students can check below the weightage given to all chapters and units in the subject. It is important to know the distribution of marks to strategize the preparation.
| Unit |
Chapter(s) |
Approx. Marks |
|---|---|---|
| I |
Electric Charges and Fields (Ch 1) |
5 |
|
|
Electrostatic Potential and Capacitance (Ch 2) |
5 |
| Total – Unit I |
|
10 |
| II |
Current Electricity (Ch 3) |
6 |
| Total – Unit II |
|
6 |
| III |
Moving Charges & Magnetism (Ch 4) |
6 |
|
|
Magnetism & Matter (Ch 5) |
5 |
| Total – Unit III |
|
11 |
| IV |
Electromagnetic Induction (Ch 6) |
4 |
|
|
Alternating Current (Ch 7) |
2 |
| Total – Unit IV |
|
6 |
| V |
Electromagnetic Waves (Ch 8) |
4 |
| VI |
Ray Optics & Optical Instruments (Ch 9) |
10 |
|
|
Wave Optics (Ch 10) |
4 |
| Total – Unit VI |
|
14 |
| VII |
Dual Nature of Radiation & Matter (Ch 11) |
4 |
| VIII |
Atoms (Ch 12) |
4 |
|
|
Nuclei (Ch 13) |
4 |
| Total – Unit VIII |
|
8 |
| IX |
Semiconductor Electronics (Ch 14) |
7 |
| Grand Total – All Units |
|
70 |
Read: Check CBSE 12th Exams Pattern 2026
CBSE Class 12 Physics Exam 2026: Weightage for Practical Exam
The Physics practical exam carries 30 marks and is divided into different components. Check the detailed weightage below:
| Topic |
Marks |
|---|---|
| Two experiments (one from each section) |
7 Marks each |
| Practical record (experiments and activities) |
5 Marks |
| One activity (from any section) |
3 Marks |
| Investigatory Project |
3 Marks |
| Viva on experiments, activities, and project |
5 Marks |
| Total |
30 Marks |
Also Read: CBSE 12th Admit Card 2026: Know how to obtain yours
CBSE Class 12 Physics Preparation Tips to Score Well
Focus on Derivations: A significant portion of the paper comes from direct derivations in Electrostatics and Magnetism.
Do not skip NCERT: Thoroughly cover NCERT Exemplar and textbook, especially for modern physics and semiconductors.
Practice PYQs: Solve the last 5-7 years' Board Question Papers (PYQs) for recurring questions.
Focus on Key Topics: Dual nature of matter, Atoms, and Nuclei are easy scoring units (combined ~10-12 marks).
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