By Saurav Pandey | February 20, 2025

10 Do or Die Topics for CBSE Class 12 Physics Exam 2025

1. Electrostatics

Key Concepts: Coulomb's Law, Electric Field, Electric Potential, Gauss's Law, Capacitors.

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2. Current Electricity

Key Concepts: Ohm's Law, Kirchhoff's Laws, Wheatstone Bridge, Meter Bridge, Potentiometer.

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3.  Magnetic Effects of Current and Magnetism

Key Concepts: Biot-Savart Law, Ampere's Circuital Law, Magnetic Dipole, Torque on a Current Loop.

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4. Magnetic Effects of Electric Current

Magnetic Field, Fleming's Left-Hand Rule, Electric Motor, Electromagnetic Induction.

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5. Optics

Key Concepts: Reflection, Refraction, Lens Formula, Wavefront, Huygens' Principle, Interference, Diffraction.

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6. Dual Nature of Radiation and Matter

Key Concepts: Photoelectric Effect, de Broglie Wavelength, Davisson-Germer Experiment.

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7. Atoms and Nuclei

Key Concepts: Bohr's Model, Radioactivity, Nuclear Reactions, Binding Energy.

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8. Semiconductor Electronics

Key Concepts: Intrinsic and Extrinsic Semiconductors, p-n Junction Diode, Transistors, Logic Gates.

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9. Wave Optics

Key Concepts: Interference, Young's Double Slit Experiment, Diffraction, Polarization.

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10. Communication Systems

Key Concepts: Modulation, Amplitude Modulation, Frequency Modulation, Bandwidth, Propagation of Waves.

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