Physics Class 12 is one of the most important subjects for students preparing for board exams and competitive exams like JEE, NEET and state-level entrance tests. To help you study smarter, here is the latest and complete AHSEC Class 12 Physics Syllabus 2025-26, including units, chapters, marks distribution, practical experiments, activities and project guidelines — presented in an easy, Google Discover-friendly format.
HS 2nd Year Physics Syllabus 2025–26 – Overview
| Particular | Details |
|---|---|
| Subject Name | Physics |
| Class | HS 2nd Year (Class 12) |
| Board | Assam Higher Secondary Education Council (AHSEC) |
| Exam Duration | 3 Hours |
| Total Marks | 100 (Theory + Practical) |
| Academic Year | 2025–2026 |
| Official Website | ahsec.assam.gov.in |
Total Marks Distribution
| Component | Marks |
|---|---|
| Theory Paper | 70 |
| Practical Work (Part II) | 30 |
| Grand Total | 100 Marks |
Class 12 Physics Syllabus 2025 – At a Glance
| Unit | Unit Name | Marks |
|---|---|---|
| I | Electrostatics | 09 |
| II | Current Electricity | 08 |
| III | Magnetic Effects of Current & Magnetism | 09 |
| IV | Electromagnetic Induction & Alternating Current | 09 |
| V | Electromagnetic Waves | 03 |
| VI | Optics | 14 |
| VII | Dual Nature of Radiation & Matter | 05 |
| VIII | Atoms & Nuclei | 06 |
| IX | Electronic Devices | 07 |
| Total | — | 70 Marks |
AHSEC Class 12 Physics Syllabus 2025 – Full Details
Below is the full unit-wise breakup of 70 Marks (Theory) and 170 periods:
Unit–I: Electrostatics (09 Marks | 25 Periods)
Chapters Covered:
- Electric Charges and Fields
- Electrostatic Potential & Capacitance
This unit covers electric charges, electric field, Gauss’s law, equipotential surfaces, capacitors and energy stored in capacitors.
Unit–II: Current Electricity (08 Marks | 22 Periods)
Chapter Covered:
- Current Electricity
Learn about drift velocity, Ohm’s law, V–I characteristics, resistivity, combination of cells and Kirchhoff’s laws.
Unit–III: Magnetic Effects of Current & Magnetism (09 Marks | 25 Periods)
Chapters Covered:
- Moving Charges & Magnetism
- Magnetism and Matter
Understand Ampere’s law, Biot–Savart law, magnetic dipole, galvanometer, torque on magnet and properties of magnetic materials.
Unit–IV: Electromagnetic Induction & Alternating Current (09 Marks | 20 Periods)
Chapters Covered:
- Electromagnetic Induction
- Alternating Current
Covers Faraday’s law, Lenz’s law, AC voltage, LCR circuits, resonance, power factor and transformer basics.
Unit–V: Electromagnetic Waves (03 Marks | 04 Periods)
Chapter Covered:
- Electromagnetic Waves
Includes displacement current, EM wave characteristics and complete electromagnetic spectrum with uses.
Unit–VI: Optics (14 Marks | 30 Periods)
Chapters Covered:
- Ray Optics & Optical Instruments
- Wave Optics
This unit explains TIR, lenses, prisms, microscopes, telescopes, YDSE, interference and diffraction.
Unit–VII: Dual Nature of Radiation & Matter (05 Marks | 08 Periods)
Chapter Covered:
- Dual Nature of Radiation and Matter
Learn about photoelectric effect, Einstein’s equation and de-Broglie wavelength.
Unit–VIII: Atoms & Nuclei (06 Marks | 18 Periods)
Chapters Covered:
- Atoms
- Nuclei
Includes Rutherford experiment, Bohr model, mass defect, binding energy curve, nuclear fission and fusion.
Unit–IX: Electronic Devices (07 Marks | 18 Periods)
Chapter Covered:
- Semiconductor Electronics
Understand p–n junction, diode characteristics and diode as a rectifier.
Class 12 Physics Practical Syllabus (30 Marks)
The practical component includes experiments, activities, investigatory projects and viva.
Section–A (Electricity & Magnetism)
Experiments (Any 4)
- I–V characteristics of resistor
- Metre bridge for resistance
- Verify Ohm’s law with potential divider
- Magnetic field lines using bar magnet
Activities (Any 4)
- Deflection of magnetic needle
- Use of multimeter
- Assemble household circuit
- Potential drop vs wire length
- Identify circuit faults
Section–B (Optics & Electronics)
Experiments (Any 4)
- Focal length of convex/concave lens
- Prism deviation graph
- Glass slab refractive index
- I–V characteristics of diode
Activities (Any 4)
- Resistance color coding
- Identify diode, LED, IC, transistor
- Observe refraction & polarization
- Identify mirrors & lenses
Investigatory Project (Any One)
- Energy conservation in pendulum
- Compare insulating materials
- Automatic traffic signal using logic gates
- Internal resistance of cell study
- 2D collision of balls
- Young’s modulus in rubber
Practical Marking Scheme (30 Marks)
| Component | Marks |
|---|---|
| One Experiment | 12 |
| Activities + Project | 08 |
| Practical Record | 06 |
| Viva Voce | 04 |
| Total | 30 Marks |
Why This Class 12 Physics Syllabus Matters
This syllabus builds strong concepts required for:
✔ JEE Main & Advanced
✔ NEET
✔ CUET
✔ State engineering & medical exams
✔ Higher studies in physics, engineering & technology
Important Links
| Class 12 Physics Syllabus PDF | Click Here |
| HS Class 12 Syllabus Home | Click Here |
| Official Website | Click Here |
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