CBSE Class 12 Physics Chapter-Wise Weightage 2026-27
CBSE Class 12 Physics unit-wise marks for 2026-27 from the official CBSE syllabus, and how to use the weightage to plan your study.
Knowing how marks are spread across units is the smartest way to plan your CBSE Class 12 Physics preparation. Here is the official unit-wise split for 2026-27 and how to use it.
Unit-Wise Marks (2026-27)
| Unit | Marks |
|---|---|
| Electrostatics + Current Electricity | 16 |
| Magnetic Effects of Current and Magnetism + EMI and Alternating Currents | 17 |
| Electromagnetic Waves + Optics | 18 |
| Dual Nature of Radiation and Matter + Atoms and Nuclei | 12 |
| Electronic Devices | 7 |
| Total (theory) | 70 |
CBSE gives marks for pairs of units, so the pairs are shown together.
Source: CBSE Class 12 Physics syllabus 2026-27 (cbseacademic.nic.in).
Practise the high-weightage chapters with our CBSE Class 12 Physics important questions.
How to Use Weightage Data
- Identify high-value units — give them the largest share of your study time.
- Don't ignore any chapter — even small units add to your total.
- Practise in proportion — the more marks a unit carries, the more questions you should solve from it.
- Cross-check with sample papers — solve the latest CBSE sample paper to see how the marks turn into questions.
Preparation Priority Matrix
- High weightage + Easy — Complete these first. Maximum marks with minimum effort.
- High weightage + Difficult — Spend the most time here. These separate top scorers.
- Low weightage + Easy — Quick wins. Cover these for completeness.
- Low weightage + Difficult — Attempt last, but don't skip them entirely.
Practise the high-weightage chapters
Super Tutor has chapter-wise Physics summaries, revision notes and practice quizzes for CBSE Class 12.
Try it freeWeightage from the CBSE Class 12 Physics syllabus 2026-27 (cbseacademic.nic.in).
Turn this into exam marks
Super Tutor gives you chapter summaries, revision notes, practice quizzes and an AI doubt solver matched to your board syllabus — so you revise smarter, not longer.
Start freeFrequently Asked Questions
Which is the most scoring unit in CBSE Class 12 Physics?
In the CBSE Class 12 Physics syllabus 2026-27, the biggest units are Electromagnetic Waves + Optics (18 marks), Magnetic Effects of Current and Magnetism + EMI and Alternating Currents (17 marks), Electrostatics + Current Electricity (16 marks). The full unit-wise split is in the table on this page. CBSE gives marks for pairs of units, so the pairs are shown together.
Can I skip low-weightage chapters?
Not recommended. Low-weightage chapters often have easy, scoring questions. If you are short on time, prioritise the high-weightage units first, then cover the rest.
Does chapter weightage change every year?
It can. CBSE publishes unit-wise marks in each year's syllabus. The figures on this page are from the CBSE curriculum for 2026-27, which applies to the 2027 board exams.