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CBSE Class 12 Physics Chapter-Wise Weightage & Important Topics 2025

  20-02-2025

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CBSE Class 12 Physics Chapter-Wise Weightage & Important Topics 2025

Preparing for CBSE Class 12 Physics? Knowing the chapter-wise weightage and important topics can help you focus on high-scoring areas. Here’s a detailed breakdown for 2025!

CBSE Class 12 Physics Chapter-Wise Weightage (2025)

The table below provides the latest chapter-wise marks distribution based on previous years' trends.

Unit No.Unit NameWeightage (Marks)
1Electrostatics8
2Current Electricity7
3Magnetic Effects of Current & Magnetism8
4Electromagnetic Induction & AC8
5Electromagnetic Waves3
6Optics12
7Dual Nature of Matter & Radiation4
8Atoms & Nuclei6
9Semiconductor Electronics7
TotalEntire Syllabus70 Marks

Important Topics for CBSE Class 12 Physics 2025

Below are the key topics to focus on for better performance in the exam:

1. Electrostatics

  • Gauss’s theorem and its applications
  • Capacitance and capacitors
  • Coulomb’s law and electric field

2. Current Electricity

  • Ohm’s Law & Kirchhoff’s Laws
  • Wheatstone Bridge & Meter Bridge
  • Potentiometer and its applications

3. Magnetic Effects of Current & Magnetism

  • Ampere’s Circuital Law
  • Moving Coil Galvanometer
  • Torque on a current-carrying loop

4. Electromagnetic Induction & AC

  • Faraday’s laws of electromagnetic induction
  • Self & mutual inductance
  • LC oscillations and transformers

5. Electromagnetic Waves

  • Characteristics of electromagnetic waves
  • Applications of different EM waves

6. Optics

  • Ray optics: Reflection & Refraction
  • Wave optics: Interference & Diffraction
  • Optical instruments: Microscope & Telescope

7. Dual Nature of Matter & Radiation

  • Photoelectric effect & Einstein’s equation
  • de Broglie wavelength

8. Atoms & Nuclei

  • Bohr’s model of the hydrogen atom
  • Radioactivity and nuclear reactions

9. Semiconductor Electronics

  • PN junction diode & its characteristics
  • Logic gates & their applications

CBSE Class 12 Physics Marking Scheme 2025

The Physics exam consists of three sections:

  • Theory Paper: 70 Marks
  • Practical Exam: 30 Marks

Useful Resources & Study Material

Here are some helpful resources to ace your Class 12 Physics exam:

YearPrevious Year Question Papers
2022Click Here
2023Click Here
2024Click Here

Focusing on high-weightage topics and practicing previous year questions can help maximize your score. Use NCERT books, solve sample papers, and revise concepts regularly.

For more study materials and the latest updates on the CBSE Board Exam 2025, keep visiting Skool Guru.