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CBSE Class 12 Physics Syllabus 2025-26 | Units, Chapters, Marks & Practical Details

Author avatarby Aditi Mishra
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16 Jan 2026
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CBSE Class 12 Physics Syllabus 2025–26 | Complete Guide for Board Exam 2026

If you are preparing for the CBSE Class 12 board exam 2026, understanding the latest Physics syllabus (Code 042) is the first and most important step. CBSE has structured the syllabus into 9 units and 14 chapters for theory, carrying 70 marks, along with 30 marks for practical and internal assessment.

This guide explains the syllabus in a simple and student-friendly way, so you can clearly know what to study, how many chapters are there, and which units are most important.


CBSE Class 12 Physics Marks Distribution (2025–26)

Component Marks
Theory Exam 70 Marks
Practical / Internal Assessment 30 Marks
Total 100 Marks

CBSE Class 12 Physics Units & Chapters (Theory – 70 Marks)

The theory syllabus includes 9 units and 14 chapters as shown below:

Unit-wise Syllabus Table

Unit No. Unit Name Chapters Included
Unit I Electrostatics 1. Electric Charges and Fields
2. Electrostatic Potential and Capacitance
Unit II Current Electricity 3. Current Electricity
Unit III Magnetic Effects of Current and Magnetism 4. Moving Charges and Magnetism
5. Magnetism and Matter
Unit IV Electromagnetic Induction & AC 6. Electromagnetic Induction
7. Alternating Current
Unit V Electromagnetic Waves 8. Electromagnetic Waves
Unit VI Optics 9. Ray Optics and Optical Instruments
10. Wave Optics
Unit VII Dual Nature of Radiation & Matter 11. Dual Nature of Radiation and Matter
Unit VIII Atoms and Nuclei 12. Atoms
13. Nuclei
Unit IX Electronic Devices 14. Semiconductor Electronics

High-Weightage Units for CBSE Physics 2026

Although CBSE provides detailed marks distribution in the official PDF, students should focus more on these high-scoring units:

  • Electrostatics

  • Current Electricity

  • Magnetic Effects of Current

  • Electromagnetic Induction & Alternating Current

  • Optics (Ray + Wave Optics)

These units together form the core of the CBSE Class 12 Physics paper and are very important for scoring well.


Practical & Internal Assessment (30 Marks)

The practical exam plays a major role in your final result.

Practical Marks Breakdown

Component Included Activities
Experiments Physics lab experiments from syllabus
Activities Activity-based practical tasks
Investigatory Project Small research project
Practical Record File Notebook submission
Viva Voce Oral exam

Total: 30 Marks


Why This Syllabus Matters for Students

Understanding the CBSE Class 12 Physics syllabus 2025-26 helps you:

  • Plan your study timetable

  • Focus on important chapters

  • Prepare for both theory and practical exams

  • Score higher in the CBSE board exam 2026


Quick Tips for CBSE Class 12 Physics Preparation

  • Start with Electrostatics and Current Electricity

  • Practice numericals daily

  • Revise formulas weekly

  • Prepare diagrams for Optics and Electronics

  • Take practical work seriously (easy 30 marks)


Final Words

The CBSE Class 12 Physics syllabus 2025-26 (Code 042) is well-structured and student-friendly. With the right strategy, proper understanding of units, and regular practice, scoring above 85+ in Physics is absolutely possible.

Bookmark this guide and use it as your syllabus checklist throughout the year.

Click Here to Know More about Student's Exam guide: https://dekhocampus.com/news/category/students-guide

FAQs (Frequently Asked Questions)

There are 9 units in the CBSE Class 12 Physics syllabus for the 2026 board exam.

High-weightage units include: Electrostatics, Current Electricity, Magnetic Effects of Current, Electromagnetic Induction & Alternating Current, Optics.

Yes, all 9 units and 14 chapters are included in the CBSE Physics syllabus 2025–26.

Yes, most topics from the CBSE Class 12 Physics syllabus are also important for JEE Main, NEET, and other entrance exams.

Aditi Mishra
By Aditi MishraContent Writer
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I’m Aditi Sharma, a passionate content writer currently pursuing my MA in English from Magadh University. With a strong command of language and a flair for storytelling, I specialize in crafting engaging articles, blogs, and creative content. My academic background enhances my ability to write well-researched, compelling, and grammatically refined pieces. I aim to create content that informs, inspires, and resonates with diverse audiences.

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