CBSE Class 12 Physics Chapter-Wise Weightage & Important Topics 2025: The CBSE Class 12 Physics exam is crucial for students aiming to score well in board exams and competitive exams like JEE and NEET. Understanding the chapter-wise weightage and key topics can help students focus on important concepts and improve their preparation. In this article, we are providing the latest CBSE Class 12 Physics chapter-wise marks distribution and important topics for 2025.
CBSE Class 12 Physics Exam Pattern 2025
Before diving into the chapter-wise weightage, let's understand the exam pattern.
- Total Marks: 100 (Theory - 70 Marks, Practical - 30 Marks)
- Question Types: MCQs, Short Answer, and Long Answer Questions
- Time Duration: 3 Hours
CBSE Class 12 Physics Chapter-Wise Weightage 2025
Below is the latest chapter-wise marks distribution for Class 12 Physics:
| Unit No. | Unit Name | Marks | Important Topics |
| I | Electrostatics | 8 | Electric Charges and Fields, Electrostatic Potential and Capacitance |
| II | Current Electricity | 7 | Ohm’s Law, Kirchhoff’s Rules, Wheatstone Bridge, Meter Bridge |
| III | Magnetic Effects of Current & Magnetism | 8 | Biot-Savart Law, Ampere’s Circuital Law, Moving Coil Galvanometer, Torque on a Magnetic Dipole |
| IV | Electromagnetic Induction & Alternating Current | 8 | Faraday’s Laws of Induction, AC Generator, Transformer |
| V | Electromagnetic Waves | 3 | Characteristics and Uses of Electromagnetic Waves |
| VI | Optics | 14 | Reflection, Refraction, Total Internal Reflection, Young’s Double-Slit Experiment, Lens Formula |
| VII | Dual Nature of Matter & Radiation | 4 | Photoelectric Effect, de Broglie Wavelength |
| VIII | Atoms & Nuclei | 6 | Bohr’s Model of Hydrogen Atom, Radioactivity, Nuclear Reactions |
| IX | Semiconductor Electronics | 7 | PN Junction Diode, Zener Diode, Logic Gates |
| X | Communication Systems | 5 | Modulation and Demodulation, Propagation of EM Waves |
Important Topics for CBSE Class 12 Physics 2025
Here are some of the most important topics that you must focus on:
1. Electrostatics & Current Electricity
- Electric field and potential due to point charge
- Capacitance and its applications
- Kirchhoff’s laws and their applications in circuits
2. Magnetism & Electromagnetic Induction
- Torque on a magnetic dipole
- Faraday’s laws and Lenz’s law
- Transformers and their efficiency
3. Optics
- Ray Optics: Mirror and Lens Formula
- Wave Optics: Interference, Diffraction, Polarization
4. Modern Physics
- Photoelectric effect and Einstein’s equation
- Nuclear reactions and their applications
5. Semiconductor Devices
- Logic Gates and their truth tables
- Working of PN junction and Zener diode
Tips to Score High in CBSE Class 12 Physics
- Focus on NCERT- Read NCERT thoroughly as most questions are directly based on it.
- Practice Numerical Problems- Solve numericals from previous years' papers.
- Make Short Notes- Prepare formula sheets and key concept notes.
- Understand Concepts- Avoid learning the formulas; understand the logic behind concepts.
- Revise Regularly- Revise chapters multiple times to know about the concepts better.
Understanding the chapter-wise weightage and important topics for CBSE Class 12 Physics 2025 will help you plan your study schedule effectively. Focus on high-weightage topics, practice numerical problems, and revise concepts regularly to maximise your score. Stay consistent and confident in your preparation, and success will follow!
For more study materials and the latest updates on the CBSE Board Exam 2025, keep visiting Jagran Josh.
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