The CBSE Class 12 Physics Exam for the 2025-26 academic session is scheduled for Friday, February 20, 2026 . The examination will take place from 10:30 AM to 1:30 PM.
The theory paper carries a total of 70 marks. Students will face 33 compulsory questions divided into five sections. While there is no overall choice in the paper, approximately 33% internal choices will be available within specific sections.
Last-Minute Preparation Topics
To maximize scores, students should prioritize specific units. These topics account for approximately 70% of the theory marks.
- Optics (18 Marks): Focus on Lens Maker’s Formula, Young’s Double Slit Experiment (YDSE), and ray diagrams for microscopes and telescopes.
- Magnetic Effects & Magnetism (17 Marks): Key areas include Moving Coil Galvanometer (principle and conversion), Ampere’s Circuital Law, and force on a moving charge.
- Electrostatics (16 Marks): Essential concepts are Gauss’s Law applications, Capacitance of a Parallel Plate Capacitor (with dielectric), and Electric Potential.
- Modern Physics (12 Marks): Students should review Einstein’s Photoelectric Equation, Bohr’s Atomic Model (energy levels), and the Binding Energy curve.
- Semiconductors (7 Marks): Important topics include logic gates (NAND/NOR as universal gates), Full-wave Rectifier circuit diagrams, and P-N junction characteristics.
Exam Weightage Details
The distribution of marks across different units is as follows:
| Unit Numbers | Unit Names | Chapters | Weightage (Marks) |
|---|---|---|---|
| 1 and 2 | Electrostatics and Current Electricity | Electric Charges & Fields, Electrostatic Potential & Capacitance, Current Electricity | 16 |
| 3 and 4 | Magnetism, EMI and AC | Moving Charges & Magnetism, Magnetism & Matter, Electromagnetic Induction, Alternating Current | 17 |
| 5 and 6 | EM Waves and Optics | Electromagnetic Waves, Ray Optics & Optical Instruments, Wave Optics | 18 |
| 7 and 8 | Modern Physics | Dual Nature of Radiation & Matter, Atoms, Nuclei | 12 |
| 9 | Electronic Devices | Semiconductor Electronics: Materials, Devices & Simple Circuits | 07 |
| Total | 70 |
Students are advised to review the complete CBSE Class 12 Physics Syllabus and consult the NCERT textbook for comprehensive preparation. The listed topics offer a focused approach for last-minute study.