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ISC Class 12 Physics Exam Pattern 2025-26
: In physics, students will have to appear for a 70-mark theory paper and a 30-mark practical exam. There will be 70 marks theory paper, 15 marks practical, 10 marks project work, and 5 marks practical file. Both theory and practical exam will be held for 3 hours. In the theory paper, students will get questions divided into 4 sections, i.e., A, B, C, and D. Internal choices are provided in two questions each in Sections B, C, and D. Section A will have 1 mark question; sections B, C, and D will have 7 questions of 2 marks each, 9 questions of 3 marks each, and 3 questions of 5 marks each, respectively. Students are also advised to check the
ISC Class 12 Physics Syllabus 2025-26
. In ISC Physics weightage, the optics unit holds the highest weightage of 18 marks, followed by Electromagnetism of 16 marks.
Students are also advised to solve the
ISC Class 12 Physics Sample Paper 2025-26
to get a better understanding of pattern and weightage of marks. The class 12 exams are expected to begin in the month of Feb 2025.
ISC 12th Time Table 2026
will be released in Dec 2024 tentaevily. Students can check ISC Class 12 Physics Blueprint 2025 in detail here.
ISC Class 12 Physics Exam Pattern 2025-26
Students can check ISC Class 12 Physics Blueprint 2025-26 below.
| Exam Category | Details | Marks |
| Paper I | Theory Paper | 40 Marks |
| Paper II | Practical | 15 Marks |
| Project Work | 10 Marks | |
| Practical File | 5 Marks | |
| Total | 100 Marks |
ISC Class 12 Physics Chapter-Wise Blueprint 2025-26
The theory paper will contain 70 marks. Check detailed ISC Class 12 Physics Blueprint 2025-26 here.| Chapters | Topics | Marks |
| Electrostatics | Electric Charges and Fields | 14 |
| Coulomb's law | ||
| Electric Field Lines, Electric Dipole | ||
| Electric flux, Gauss’s theorem in Electrostatics | ||
| Superposition principle and continuous charge distribution | ||
| Electrostatic Potential, Potential Energy and Capacitance | ||
| potential difference | ||
| Conductors and insulators | ||
| Dielectrics and electric polarization | ||
| The capacitance of a parallel plate capacitor, | ||
| Current Electricity | Electrical energy consumed in time | |
| The emf of a source | ||
| Kirchhoff's laws are stated and explained using basic examples. | ||
| Magnetic Effects of Current and Magnetism | Moving charges and magnetism | 16 |
| Magnetism and Matter | ||
| Electromagnetic Induction and Alternating Currents | Electromagnetic Induction | |
| Alternating Current | ||
| Magnetic flux, Faraday’s laws, Lenz's law | ||
| Electromagnetic Waves | The basic idea of displacement current | 2 |
| The whole electromagnetic spectrum, which includes gamma rays and radio waves. | ||
| Optics | Ray Optics and Optical Instruments | 18 |
| Reflection of light by spherical mirrors | ||
| Refraction of light at a plane interface | ||
| Refraction through a prism | ||
| Wave Optics | ||
| Huygens principle | ||
| Young's double slit experiment and expression for fringe width | ||
| Interference of light | ||
| Dual Nature of Radiation and Matter | Wave-particle duality | 13 |
| Photoelectric effect | ||
| Hertz and Lenard's observations | ||
| Einstein's photoelectric equation - particle nature of light | ||
| Matter waves - wave nature of particles, de-Broglie relation | ||
| Atoms and Nuclei | Atoms | |
| Alpha-particle scattering experiment | ||
| Rutherford's atomic model | ||
| Bohr’s atomic model | ||
| Hydrogen spectrum | ||
| Nuclei | ||
| Composition and size of the nucleus | ||
| Mass energy relation, mass defect | ||
| Variation of binding energy per nucleon with mass number | ||
| Nuclear reactions, nuclear fission, and nuclear fusion | ||
| Electronic Devices | Semiconductor Electronics | 7 |
| Devices and Simple Circuits | ||
| Intrinsic and extrinsic semiconductors | ||
| Semiconductor diode | ||
| Energy bands in solids | ||
| Junction diode and its symbol | ||
| The numerical depletion zone, potential barrier, and V-I characteristics | ||
| Total | 70 | |
Also Check ISC Class 12 Physics Previous Year Question Paper
ISC Class 12 Physics Practical Blueprint 2025-26
There will be practical work (Paper II) for 15 Marks. The experiments for laboratory work and practical examinations are mostly from two groups: (i) experiments based on ray optics and (ii) experiments based on current electricity.
The ISC Class 12 Project Work for Physics will carry 10 marks. The Project work will be assessed by a Visiting Examiner appointed locally and approved by the Council. Candidates will have to do one project involving some physics related topics under the guidance and regular supervision of the Physics teacher. Candidates should undertake any one of the following types of projects:
- Theoretical project
- Working Model
- Investigatory project (by performing an experiment under supervision of a teacher)
ISC Class 12 Physics Question Paper Pattern 2025-26
The ISC Physics question paper pattern and marking scheme are provdied here.- The ISC Class 12 physics paper is of 70 marks.
- Three hours are allotted for this paper.
- An additional 15 minutes are set aside for reading the paper.
- The total number of sections is four.
- Students must answer all questions.
- Section A consists of 1 question with sub-parts worth 1 mark each.
- Section B consists of 7 questions of 2 marks each.
- Section C consists of nine 3-mark questions, while Section D has three 5-mark questions.
- Internal choices are provided in two questions each in Sections B, C, and D.
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