ISC Class 12 Physics — Guess Paper & Important Questions 2027
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Everything for Physics in one place — guess paper, important questions and chapter-wise important topics for the 2027 exam, from analysis of 4 board + 5 official sample papers (2023–2027).
Guess Paper 2027
A full 36-question paper on the official pattern, built from the most-likely questions.
Open guess paper PDFImportant Questions
112 question patterns that have repeated across past papers.
See repeated questions PDFImportant Topics
Every chapter’s topics ranked by how often and how recently they were asked.
See important topicsTop 5 topics
| # | Topic | Chapter | Importance |
|---|---|---|---|
| 1 | Microscope for small objects | Ray Optics and Optical Instruments | ★★★★★ |
| 2 | Fringe width inversely proportional to slit separation | Wave Optics | ★★★★★ |
| 3 | Potential due to a point charge | Electrostatics | ★★★★☆ |
| 4 | Compound microscope ray diagram (image at D) | Ray Optics and Optical Instruments | ★★★★☆ |
| 5 | Electric field on axial line of a dipole | Electrostatics | ★★★★☆ |
ISC Class 12 Physics exam pattern 2027
Key facts
- Maximum marks: 70
- Duration: 3 hours
- Sections: 4 (A, B, C, D)
- Exam: 2027 ISC Class 12 board exam
| Section | What is asked | Marks |
|---|---|---|
| A | Compulsory. Question 1 consists of fourteen sub-parts of one mark each: part (A) is seven multiple-choice questions and part (B) is seven very-short-answer questions. No internal choice. | 14 |
| B | Seven questions of two marks each (short answer / short numerical). Internal choices are provided in two of these questions. | 14 |
| C | Nine questions of three marks each (derivations, reasoning and numericals). Internal choices are provided in two of these questions. | 27 |
| D | Three questions of five marks each (long answer with multiple sub-parts, derivations and numericals); each is set here as its 3-mark and 2-mark sub-parts. Internal choices are provided in two of these questions. | 15 |
ISC Class 12 Physics chapter-wise weightage 2027
| Unit | Chapters | Marks |
|---|---|---|
| Electrostatics and Current Electricity | Electrostatics, Current Electricity | 14 |
| Magnetism and Electromagnetic Induction & Alternating Currents | Magnetic Effects of Current and Magnetism, Electromagnetic Induction and Alternating Currents | 16 |
| Electromagnetic Waves | Electromagnetic Waves | 2 |
| Optics | Ray Optics and Optical Instruments, Wave Optics | 18 |
| Dual Nature of Radiation and Matter | Dual Nature of Radiation and Matter | 7 |
| Atoms and Nuclei | Atoms and Nuclei | 6 |
| Electronic Devices | Electronic Devices (Semiconductors) | 7 |
Unit marks as given in the official syllabus.
Frequently asked questions
Is this the real ISC Class 12 Physics guess paper 2027?
No. It is a practice guess paper built by analysing which questions and topics repeat across 4 board + 5 official sample papers (2023–2027) for ISC Class 12 Physics. It follows the latest official exam pattern but is not an official or leaked paper.
What is the ISC Class 12 Physics exam pattern for 2027?
The ISC Class 12 Physics 2027 paper is 70 marks and 3 hours long, in 4 sections: Section A — Compulsory; Section B — Seven questions of two marks each (short answer / short numerical); Section C — Nine questions of three marks each (derivations, reasoning and numericals); Section D — Three questions of five marks each (long answer with multiple sub-parts, derivations and numericals); each is set here as its 3-mark and 2-mark sub-parts. Highest-weightage units: Optics (18 marks), Magnetism and Electromagnetic Induction & Alternating Currents (16 marks), Electrostatics and Current Electricity (14 marks).
How many questions repeat in ISC Class 12 Physics?
We found 112 question patterns that appeared in two or more of the analysed papers (4 board + 5 official sample papers). The most-repeated ones are listed on the Important Questions page.
What are the most important topics for ISC Class 12 Physics 2027?
The top topics by repetition are Microscope for small objects; Fringe width inversely proportional to slit separation; Potential due to a point charge. The full ranked list is on the Important Topics page.
Where can I see the ISC Class 12 Physics guess paper?
The full 36-question guess paper is on the Guess Paper page — free to view, with each question tagged by chapter and how often it has appeared in past papers.