CBSE Class 12 Physics042
1 paper70 marks3 h
What we predict comes up
From the syllabus weighting and how the papers are usually set. The papers below follow it.
- Electromagnetic Waves and Optics26%Units V and VI (EM waves, ray and wave optics) carry 18 of 70 marks, the largest block, usually with a long answer on lenses or interference.
- Magnetic Effects, Magnetism, EMI and AC24%Units III and IV (moving charges, magnetism, electromagnetic induction, alternating current) carry 17 of 70 marks in the 2025-26 curriculum.
- Electrostatics and Current Electricity23%Units I and II (electrostatics, capacitors, current electricity) carry 16 of the 70 theory marks in the CBSE 2025-26 curriculum.
- Dual Nature, Atoms and Nuclei17%Units VII and VIII (photoelectric effect, de Broglie waves, Bohr model, nuclei) carry 12 of 70 marks in the 2025-26 curriculum.
Physics (Theory)
3 h · 70 marks · No calculator
- There are 33 questions in all. All questions are compulsory.
- Section A has 16 questions of 1 mark each: 12 multiple-choice questions and 4 assertion-reason questions. Section B has 5 questions of 2 marks each, Section C has 7 questions of 3 marks each, Section D has 2 case-based questions of 4 marks each and Section E has 3 long answer questions of 5 marks each.
- The real paper offers internal choices in some questions of Sections B, C and E; this practice paper gives one version of each.
- Use of calculators is not allowed.
- You may use these values where necessary: m/s, kg, kg, C, T m/A, J s, C²/(N m²), N m²/C².
Answer or mark a question and your score adds up here.
33 questions
Every paper, every question, the answers and the mark scheme. Free with a Knomi account.
Not included: The 30-mark practical examination (experiments, activities, project and viva) is assessed in school and is not part of this paper.
CBSE Class 12 Physics study checklist
Revise in this order: the topics worth the most marks first. Tick a topic off when you can answer its questions in the paper above without notes.
- Electromagnetic Waves and Optics · about 26% of the marksUnits V and VI (EM waves, ray and wave optics) carry 18 of 70 marks, the largest block, usually with a long answer on lenses or interference.
- Magnetic Effects, Magnetism, EMI and AC · about 24% of the marksUnits III and IV (moving charges, magnetism, electromagnetic induction, alternating current) carry 17 of 70 marks in the 2025-26 curriculum.
- Electrostatics and Current Electricity · about 23% of the marksUnits I and II (electrostatics, capacitors, current electricity) carry 16 of the 70 theory marks in the CBSE 2025-26 curriculum.
- Dual Nature, Atoms and Nuclei · about 17% of the marksUnits VII and VIII (photoelectric effect, de Broglie waves, Bohr model, nuclei) carry 12 of 70 marks in the 2025-26 curriculum.
- Electronic Devices · about 10% of the marksUnit IX (semiconductors, the p-n junction diode and rectifiers) carries 7 of 70 marks, often as a case-based question.
Questions
What topics come up most in CBSE Class 12 Physics?
Our prediction: Electromagnetic Waves and Optics (about 26% of the marks), Magnetic Effects, Magnetism, EMI and AC (about 24% of the marks), Electrostatics and Current Electricity (about 23% of the marks). The full list with the reason for each is at the top of this page.
When is the CBSE Class 12 Physics exam?
CBSE Class 12 is sat February to April. Central Board of Secondary Education publishes the exact timetable for each sitting; check it for your paper's date.
How many papers are there, and how long are they?
One paper: Physics (Theory) (3 hours, 70 marks). That is 3 hours and 70 marks in all.
Can I use a calculator?
In this format a calculator is not allowed. Check your board's current rules before the exam.
Are these the real CBSE Class 12 Physics papers?
No. They are predicted papers written by us in the real format, with original questions, not copies of past papers. Use them alongside the official past papers and specimen papers from Central Board of Secondary Education.
Is it free?
Yes. The outline, the predictions and the first questions are open to everyone; every paper, the answers and the mark scheme are free with a Knomi account.
More CBSE Class 12 subjects
Physics on other boards
Revise with Knomi Notes
- Turn your class notes into flashcards
- Make a timed practice test from your notes
- Turn a textbook chapter (PDF) into notes
Free, from Knomi, the team behind Exam Predictor.