CBSE 12th Physics 2025 Important Topics for Exam Day Preparation

Unit - 1 Electrostatics

Chapter - 1 Electric Charges and Fields

Coulomb's Law

Dipole

Application of Gaws Law

Chapter 2 - Electrostatic Potential and Capacitance

Equipotential surface

Potential energy of the system of charges

Energy stored in the capacitor

Unit - 2 Current Electricity

Chapter 3: Current Electricity

Drift of electrons and resistivity

Temperature dependence of resistivity

Kirchoff’s Law

Wheatstone bridge

Unit - 3 Magnetic Effects of Current and Magnetism

Chapter 4: Moving Charges and Magnetism

Motion in a magnetic Field

Force between two parallel wires

Moving coil galvinator

Chapter 5: Magnetism and Matter

The Bar magnet

Magnetic Properties of Material

Unit - 4 Electromagnetic Induction and Alternating Currents

Chapter  - Chapter 6: Electromagnetic Induction

Lenz’s Law

Faraday law

Self and mutual Induction

Chapter 7: Alternating Current 

Series LCR

Power in AC circuits

Transformers

Unit - 5 Electromagnetic Waves 

Chapter 8: Electromagnetic Waves

Displacement Current

Electromagnetic Spectrum

Unit - 6 Optics

Chapter 9: Ray Optics and Optical Instruments

Optical Instruments (Diagram)

Chapter 10: Wave Optics

Reflection and Refraction of Wave Theory

Interference and YDSE 

Unit - 7 Dual Nature of Radiation and Matter

Chapter 11: Dual Nature of Radiation and Matter

Einstein Photoelectric Equation

All Graphs

Wave Nature of Matter

Unit 8- Atoms and Nuclei

Chapter–12: Atoms

Alpha Particle Experiment and Model

Bohr Model

Chapter–13: Nuclei

Mass Energy and BEN Curve

Nuclear Force

Nuclear Energy

Unit - 9 Electronic Devices

Chapter 14: Semiconductor Electronics: Materials, Devices and Simple Circuits

P-N Junction

Semiconductor Diode

Application of Diode