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.
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 |
Commonly asked questions
No, there is no difference between the CBSE 12th hard books and the e-books made available here. You can definitely download them and study from them
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 |
Commonly asked questions
The CBSE primarily follows the NCERT textbooks for all classes. While schools can use supplementary materials and reference books, NCERT books are the core of CBSE syllabus to ensure a uniform standard across all affiliated schools.
NCERT has uploaded the books for class 12 or CBSE 12th books on the official website. Shiksha.com has also uploaded the e-books here for students. You can click on the subject-wise CBSE 12th books link to download and read the e-books.
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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).
Read More:
News & Updates
Student Forum
Answered 9 hours ago
Students can fill the MAH BBA CET 2026 form at the Maharashtra State CET Cell website, i.e. cetcell.mahacet.org.
MAH BBA CET exam is a UG entrance exam conducted for students who have passed Class 12 or are awaiting Class 12 results.
R
Contributor-Level 6
Answered Yesterday
After the release of BSEB Inter Result 2026, students should firsty collect the original mark sheet from their respective schools. Thereafter, they can apply for admission to various professional and undergraduate courses in different universities and colleges across the state as well as in India. S
M
Contributor-Level 10
Answered Yesterday
A good marks in BSEB Class 12th exam is generally considered to amore than 75 percet. Students who score above 90 per cent may be included in the list of top performers.
M
Contributor-Level 10
Answered Yesterday
The maximum marks allotted to the CBSE Class 12 Maths paper are 100. Theory paper carries 80 marks. The remaining 20 marks are allotted to the practical paper.
B
Contributor-Level 7
Answered Yesterday
After going through the CBSE Class 12 Maths answer key, candidates can calculate the probable score. This can be done based on the number of correct and incorrect answers.
M
Contributor-Level 7
Answered Yesterday
We have provided CBSE 12th Class Maths answer key 2026 for all sets. These answer keys are prepared by experts. The process to download the same is given below.
- Visit our website
- Click the 'CBSE Class 12 Answer Key 2026' link
- The answer key appears on the screen
- Download and save it
C
Contributor-Level 7
Answered Yesterday
CBSE 12th Maths answer key 2026 is available now on this page. Students can download the answer keys for free. After downloading the CBSE Class 12 Maths answer key, students can check the correct answers to the questions asked in the exam.
A
Contributor-Level 10
Answered Yesterday
CBSE Class 12 Maths answer key 2026 is available now. Students can download their answer keys from our page for free. These answer keys are prepared by the experts and comprises the correct answers to the questions asked in the exam.
R
Contributor-Level 7
Answered Yesterday
Yes, candidates who have passed class 12 with PCM or BiPC can appear for NEST. They alos need to obtain 60% marks (55% for SC/ST/ Divyangjan) in aggregate.
V
Contributor-Level 10
Answered a week ago
In the last 14 days, students are advised to learn the most important topics. they should learn the repeated questions thorougly. They should revise all the important formulas and learn the diagrams.
S
Contributor-Level 10

Jasleen Kaur Taneja is an education editorial expert at Shiksha.com. She prepares content for school board exams. She has written 1,800+ articles with 2.8 crore reads.
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