ICSE/ISC Class 12 Physics Syllabus 2025–26 | Units, Marks, Topics & Exam Pattern
Table of Contents
ICSE/ISC Class 12 Physics Syllabus 2025–26 (For 2026 Board Exam)
Many students search for ICSE Class 12 Physics syllabus, but the correct board for Class 12 is ISC (Indian School Certificate).
The ISC Class 12 Physics syllabus 2025–26 is designed to build strong concepts in electricity, magnetism, optics, modern physics, and electronics.
The exam pattern is:
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Theory: 70 marks
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Practical + Project: 30 marks
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Total: 100 marks
ISC Class 12 Physics Units & Marks Distribution
| Unit No. | Unit Name | Approx Marks |
|---|---|---|
| 1 | Electrostatics | 14 |
| 2 | Current Electricity | Included with Unit 1 & 3 weight |
| 3 | Magnetic Effects of Current & Magnetism | 16 (with Unit 4) |
| 4 | Electromagnetic Induction & AC | Included above |
| 5 | Electromagnetic Waves | 2 |
| 6 | Optics | 18 |
| 7 | Dual Nature of Radiation & Matter | 7 |
| 8 | Atoms & Nuclei | 6 |
| 9 | Electronic Devices | 7 |
Unit-Wise ISC Class 12 Physics Syllabus (Easy Explanation)
Unit 1: Electrostatics (High Weightage)
This unit explains how electric charges behave.
Main topics:
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Electric charge & Coulomb’s law
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Electric field & Gauss’s law
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Electric potential & potential energy
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Capacitors & energy stored in capacitors
Unit 2: Current Electricity
This unit focuses on the flow of electric current.
Main topics:
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Ohm’s law
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Resistance & resistivity
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Kirchhoff’s laws
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Cells & internal resistance
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Wheatstone bridge & metre bridge
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Potentiometer
Unit 3 & 4: Magnetism + EMI + AC (Very Important)
These two units together form a big scoring block.
Key concepts:
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Magnetic field & Biot–Savart law
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Force on moving charges
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Moving coil galvanometer
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Electromagnetic induction
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AC circuits (LCR circuits)
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Transformers
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Power factor & resonance
Unit 5: Electromagnetic Waves (Short Unit)
Topics include:
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Maxwell’s idea (qualitative)
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Properties of EM waves
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EM spectrum & uses
Unit 6: Optics (Highest Weightage)
Ray Optics:
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Mirrors & lenses
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Optical instruments
Wave Optics:
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Interference
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Diffraction (basic)
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Polarization
Unit 7: Dual Nature of Radiation & Matter
Topics:
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Photoelectric effect
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Einstein’s equation
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de Broglie wavelength
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Davisson–Germer experiment
Unit 8: Atoms & Nuclei
Topics:
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Bohr model
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Atomic spectra
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Radioactivity
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Half-life
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Nuclear fission & fusion
Unit 9: Electronic Devices
Topics:
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Semiconductors
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Diodes & rectifiers
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Zener diode
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Transistors
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Logic gates
ISC Class 12 Physics Practical & Project (30 Marks)
| Component | Details |
|---|---|
| Experiments | Any 8–10 experiments |
| Activities | Any 2 demonstrations |
| Project Work | Physics-based project |
| Practical File & Viva | Record + oral exam |
Common experiments include:
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Metre bridge
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Potentiometer
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LCR resonance
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Optical bench
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Spectrometer
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Logic gates verification
ISC Physics Exam Pattern 2026 (Theory)
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3 hours exam
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Numerical problems + theory questions
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Long & short answer questions
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Derivations
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Diagrams
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Internal choices provided
High-Scoring Units to Focus On
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Optics
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Magnetism + EMI + AC
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Electrostatics
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Dual Nature of Radiation
-
Electronic Devices
Study Tips for ISC Class 12 Physics
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Practice numericals daily
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Learn derivations step by step
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Draw neat ray diagrams
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Revise formulas weekly
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Practice previous year papers
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Take practical work seriously
Click Here to Know More about Student's Exam guide: https://dekhocampus.com/news/category/students-guide
FAQs (Frequently Asked Questions)
No. ICSE is for Class 10. ISC is for Class 12.
No. ISC syllabus is more detailed than NCERT. Use ISC-specific textbooks.
Optics has the highest weightage (~18 marks).
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