CBSE Physics Sample Paper Class 12 2026-27 with Solutions PDF: Answer Key & Chapter-wise Analysis
CBSE Physics Sample Paper Class 12 2026-27 with Solutions PDF: Answer Key & Chapter-wise Analysis
Answer key, chapter-wise analysis and free step-by-step solutions PDF for the CBSE Class 12 Physics (042) sample paper 2026-27.
Table of Contents
The CBSE Physics sample paper class 12 for 2026-27 is the closest preview of your 2027 board paper, and this page gives you its complete solutions. Download the free PDF with step-by-step answers for all 33 questions, check the answer key below, and see exactly which chapters carry the most marks.
Physics solutions are full of derivations, diagrams and calculations, and those read best in the PDF, where every equation is laid out properly. On this page we have done the work that helps you plan: a question-wise answer key, the chapter behind every question, and a chapter-wise marks table built from the paper itself.
If you are preparing for JEE alongside boards, this paper is also a good check of your NCERT basics. Almost every question here tests a concept that appears in JEE Main in a harder form. Work through the paper once for boards, then revisit the same chapters with JEE-level problems.
Download Cbse physics sample paper class 12 Solutions PDF
CBSE Class 12 Physics Sample Paper 2026-27: Complete Solutions
- All 33 questions solved, including internal choices
- Step-wise marking scheme for every answer
- Every derivation, diagram and calculation laid out clearly
- Free, no login, works on mobile
Physics Sample Paper Class 12 2026-27 Pattern
CBSE has stated that there is no change in the question paper design for the 2026-27 session, so this is the structure of your board paper.
| Section | Questions | Question Types | Marks |
|---|---|---|---|
| A | 1 to 16 | 12 MCQ + 4 Assertion-Reason (1 mark each) | 16 |
| B | 17 to 21 | Very short answer (2 marks each) | 10 |
| C | 22 to 28 | Short answer (3 marks each) | 21 |
| D | 29 to 30 | Case-based (4 marks each) | 8 |
| E | 31 to 33 | Long answer (5 marks each) | 15 |
| Total | 33 | Duration: 3 hours | 70 |
Official source: CBSE Academic, Sample Question Papers Class XII 2026-27.
Physics Sample Paper Class 12 Answer Key: Section A (Q1 to Q16)
Use this to check your objective answers in seconds. The reasoning for each option is in the solutions PDF.
| Q1 | Q2 | Q3 | Q4 | Q5 | Q6 | Q7 | Q8 | Q9 | Q10 |
|---|---|---|---|---|---|---|---|---|---|
| C | C | C | A | D | C | B | D | B | A |
| Q11 | Q12 | Q13 | Q14 | Q15 | Q16 |
|---|---|---|---|---|---|
| C | C | B | A | C | D |
Chapter-wise Marks in the Physics Sample Paper Class 12 2026-27
We mapped every question to its NCERT chapter and added up the marks. This is based on the main option of each question; internal choices may come from a different chapter.
| Chapter | Questions | Marks |
|---|---|---|
| Current Electricity | Q2, Q9, Q10, Q18, Q23, Q27 | 11 |
| Ray Optics | Q14, Q25, Q32 | 9 |
| Electrostatic Potential and Capacitance | Q19, Q31 | 7 |
| Semiconductor Electronics | Q22, Q29 | 7 |
| Wave Optics | Q5, Q6, Q15, Q26 | 6 |
| Alternating Current | Q33 | 5 |
| Electromagnetic Induction | Q3, Q28 | 4 |
| Nuclei | Q7, Q24 | 4 |
| Atoms | Q11, Q13, Q21 | 4 |
| Dual Nature of Radiation and Matter | Q30 | 4 |
| Electromagnetic Waves | Q4, Q17 | 3 |
| Magnetism and Matter | Q8, Q20 | 3 |
| Electric Charges and Fields | Q1, Q16 | 2 |
| Moving Charges and Magnetism | Q12 | 1 |
| Total | 33 questions | 70 |
Physics Sample Paper Solutions: Section A: MCQ and Assertion-Reason (Q1 to Q16)
| Q | Chapter | What the question asks | Marks | Answer |
|---|---|---|---|---|
| Q1 | Electric Charges and Fields | Electric flux through a Gaussian sphere when its radius is doubled | 1 | (C) |
| Q2 | Current Electricity | Total power of two identical 1000 W heaters connected in parallel | 1 | (C) |
| Q3 | Electromagnetic Induction | Induced current in a long cylinder parallel to a uniform magnetic field | 1 | (C) |
| Q4 | Electromagnetic Waves | Direction of propagation from the electric field equation of an EM wave | 1 | (A) |
| Q5 | Wave Optics | Phenomenon not explained by Huygens' wavefront construction | 1 | (D) |
| Q6 | Wave Optics | Shape of the wavefront from a distant star reaching a telescope | 1 | (C) |
| Q7 | Nuclei | What the binding energy per nucleon peak near A = 56 implies | 1 | (B) |
| Q8 | Magnetism and Matter | Superconducting ball near a bar magnet (perfect diamagnetism) | 1 | (D) |
| Q9 | Current Electricity | Total current in a bridge circuit | 1 | (B) |
| Q10 | Current Electricity | Two bulbs of different power ratings connected in series | 1 | (A) |
| Q11 | Atoms | Electron orbit radius if the nucleus is scaled to a football | 1 | (C) |
| Q12 | Moving Charges and Magnetism | Magnetic field at the centre of a semicircular current loop | 1 | (C) |
| Q13 | Atoms | Assertion-Reason: Rutherford alpha-scattering experiment | 1 | (B) |
| Q14 | Ray Optics | Convex lens immersed in water: change in focal length and image | 1 | (A) |
| Q15 | Wave Optics | Young's double slit experiment: fringe width calculation | 1 | (C) |
| Q16 | Electric Charges and Fields | Assertion-Reason: electric field inside a conductor | 1 | (D) |
Full step-by-step solutions with marking scheme for this section are in the Physics solutions PDF.
Physics Sample Paper Solutions: Section B: Very Short Answers (Q17 to Q21)
| Q | Chapter | What the question asks | Marks | Answer |
|---|---|---|---|---|
| Q17 | Electromagnetic Waves | Electric and magnetic fields of EM radiation in a medium | 2 | See PDF |
| Q18 | Current Electricity | Path of free electrons in a conductor with and without a field | 2 | See PDF |
| Q19 | Electrostatic Potential and Capacitance | Work done to bring a third charge between two like charges | 2 | See PDF |
| Q20 | Magnetism and Matter | Material with relative permeability 800, or Gauss law of magnetism | 2 | See PDF |
| Q21 | Atoms | Hydrogen spectrum as a fingerprint and ionisation energy, or Bohr quantisation and de Broglie | 2 | See PDF |
Full step-by-step solutions with marking scheme for this section are in the Physics solutions PDF.
Physics Sample Paper Solutions: Section C: Short Answers (Q22 to Q28)
| Q | Chapter | What the question asks | Marks | Answer |
|---|---|---|---|---|
| Q22 | Semiconductor Electronics | Energy band diagrams of metals, insulators and semiconductors | 3 | See PDF |
| Q23 | Current Electricity | Explain: car engine on cold days, body shock at 240 V, heater temperature | 3 | See PDF |
| Q24 | Nuclei | Binding energy per nucleon of the oxygen-16 nucleus | 3 | See PDF |
| Q25 | Ray Optics | Diamond (n = 2.42): critical angle and sparkle | 3 | See PDF |
| Q26 | Wave Optics | Derive Snell's law using Huygens' principle | 3 | See PDF |
| Q27 | Current Electricity | Ammeter shunt resistance for extending range (with internal choice) | 3 | See PDF |
| Q28 | Electromagnetic Induction | Magnet falling through a ring and related EMI reasoning | 3 | See PDF |
Full step-by-step solutions with marking scheme for this section are in the Physics solutions PDF.
Physics Sample Paper Solutions: Section D: Case-Based Questions (Q29 and Q30)
| Q | Chapter | What the question asks | Marks | Answer |
|---|---|---|---|---|
| Q29 | Semiconductor Electronics | Case study: flexible printed semiconductor films | 4 | See PDF |
| Q30 | Dual Nature of Radiation and Matter | Case study: photoelectric effect and photons | 4 | See PDF |
Full step-by-step solutions with marking scheme for this section are in the Physics solutions PDF.
Physics Sample Paper Solutions: Section E: Long Answers (Q31 to Q33)
| Q | Chapter | What the question asks | Marks | Answer |
|---|---|---|---|---|
| Q31 | Electrostatic Potential and Capacitance | Capacitance of conductors and capacitor combinations, or field and potential | 5 | See PDF |
| Q32 | Ray Optics | Compound microscope: image position and magnifying power (with choice) | 5 | See PDF |
| Q33 | Alternating Current | Transformer: principle, working and energy losses (with choice) | 5 | See PDF |
Full step-by-step solutions with marking scheme for this section are in the Physics solutions PDF.
Chapter-wise Revision Checklist From the Physics Sample Paper
Based on what this paper asks, here is what to revise in each high-weight chapter before the board exam.
Current Electricity
Kirchhoff's laws, Wheatstone bridge, power in series and parallel combinations, and meters with shunts. It carries the most marks in this paper, so practise circuit numericals until they feel routine.
Ray Optics
Lens and mirror formula, refraction through a lens in a different medium, critical angle and total internal reflection, and the compound microscope. Practise ray diagrams with arrows and labels.
Electrostatic Potential and Capacitance
Work done in moving charges, potential energy of a system and capacitor combinations. Long answers often combine theory with a short numerical.
Semiconductor Electronics
Energy band diagrams of metals, insulators and semiconductors, and application-based case questions on new materials. Learn the band diagrams by drawing them.
Wave Optics
Huygens' principle, the derivation of Snell's law and Young's double slit fringe width. Derivations here are fixed and score full marks when written step by step.
Modern Physics (Atoms, Nuclei, Dual Nature)
Rutherford scattering, Bohr model, binding energy per nucleon and the photoelectric effect. Short, formula-based and very scoring.
Section-wise Strategy for the Physics Paper
How to approach each section of this paper in the exam hall, based on the questions CBSE has set.
Section A (16 marks)
Twelve MCQs and four Assertion-Reason questions. Spend about 20 minutes here. Most questions test one formula or one idea, like flux through a Gaussian surface or power in parallel heaters, so speed comes from knowing NCERT results by heart.
Sections B and C (31 marks)
Short answers on EM waves, drift of electrons, binding energy, Huygens' principle and band diagrams. Write the formula first, substitute with units, then box the answer. Each step is a separate mark.
Section D (8 marks)
Two case studies, this year on printed semiconductor films and the photoelectric effect. Read the passage once fully; most sub-questions are answered by one line in it plus one NCERT concept.
A simple 3-hour time plan
Give Section A about 20 minutes, Sections B and C about 70 minutes together, Section D around 20 minutes and Section E about 50 minutes. Keep the last 15 to 20 minutes to recheck units, signs and diagrams. Students who plan time this way rarely leave a long answer half done.
Section E (15 marks)
Three long answers with internal choice: capacitors, the compound microscope and the transformer. Pick the option you can finish completely, draw the diagram, and write every derivation step.
How to Use the Physics Sample Paper for Boards and JEE
- Attempt it in 3 hours first. Take the question paper from our sample paper page and solve it with a timer before opening the solutions.
- Check Section A with the answer key. Every wrong objective answer points to a concept to revise.
- Check written answers with the PDF. Compare your steps with the marking scheme and give yourself marks honestly.
- Revise by chapter weight. Use the chapter-wise table above to decide what to revise first.
- Push the same chapters for JEE. The high-weight board chapters are also high-weight in JEE Main; solve harder problems from them after boards practice.
Where Students Lose Marks in Class 12 Physics
The marking scheme of the cbse physics sample paper class 12 shows clear patterns in where marks slip away.
- Write derivations step by step. Section E long answers give separate marks for each step and the labelled diagram.
- Always write units. Numerical answers without units lose marks even when the value is right.
- Draw ray diagrams with arrows. Optics questions mark the diagram separately.
- Use the given constants. The paper lists the constants you need; use them, not memorised approximations.
- Read Assertion-Reason twice. Decide each statement first, then whether the reason explains the assertion.
Preparing for JEE Main Alongside Boards?
Board preparation and JEE preparation use the same NCERT chapters. Once the board basics are in place, these two Competishun programmes help you take the same chapters to JEE level, depending on how much of the syllabus you have finished.
C³
Covers the complete JEE Main syllabus in a short, structured plan for students who still have chapters left.
- Topic-wise tests after every unit
- Senior faculty with 18 to 25 years' experience
- Built to run alongside board preparation
CHAMP
Sharp revision and exam-level practice for students who have finished the syllabus.
- High-yield revision of every chapter
- Full-length JEE Main mocks
- Detailed performance analysis
CBSE Class 12 Sample Paper Solutions: Other Subjects
Every subject in the same format. Or see all of them on the CBSE Class 12 sample paper solutions page.
