CBSE · Class 12

Physics

11 chapters · All formulas with solved examples

Class 12 Physics covers Electrostatics, Current Electricity, Magnetism, Electromagnetic Induction, AC, EM Waves, Ray & Wave Optics, Dual Nature, Atoms & Nuclei, and Semiconductors. Boards typically weight Electrostatics + EMI + Optics highest.

11 chapters · 148 formulas · Free · Print-ready

Complete Physics formula sheet (PDF) →

Electric Charges and Fields / Electrostatic Potential and Capacitance

Coulomb's law, electric field, potential, capacitance — NCERT Class 12 Physics Ch 1 & 2

16 formulas

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Current Electricity

Drift velocity, Ohm's law, Kirchhoff's laws, Wheatstone bridge, cells and internal resistance — NCERT Class 12 Physics Ch 3

13 formulas

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Moving Charges and Magnetism

Lorentz force, Biot-Savart law, Ampere's law, solenoid, cyclotron, torque on a current loop — NCERT Class 12 Physics Ch 4

13 formulas

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Magnetism and Matter

Bar magnet as a magnetic dipole, dipole in a uniform field, Gauss's law for magnetism, magnetisation, magnetic intensity, susceptibility and dia-, para- and ferromagnetism — NCERT Class 12 Physics Ch 5

12 formulas

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Electromagnetic Induction

Faraday's law, Lenz's law, motional EMF, self and mutual inductance, AC generator — NCERT Class 12 Physics Ch 6

12 formulas

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Alternating Current

Peak and rms values, reactance and impedance, phasors, series LCR circuit, resonance, power factor and the transformer — NCERT Class 12 Physics Ch 7

14 formulas

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Electromagnetic Waves

Displacement current, Maxwell's equations, the nature of electromagnetic waves and the electromagnetic spectrum — NCERT Class 12 Physics Ch 8

10 formulas

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Ray Optics and Optical Instruments

Mirror and lens formulas, refraction, total internal reflection, refraction at spherical surfaces, lens maker's formula, power, the prism, and the microscope and telescope — NCERT Class 12 Physics Ch 9

18 formulas

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Wave Optics

Huygens' principle, Young's double slit, single-slit diffraction, polarization, resolving power — NCERT Class 12 Physics Ch 10

13 formulas

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Dual Nature of Radiation and Matter / Atoms & Nuclei

Photoelectric effect, de Broglie wavelength, Bohr model of hydrogen, radioactive decay — NCERT Class 12 Physics Ch 11, 12, 13

14 formulas

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Semiconductor Electronics: Materials, Devices and Simple Circuits

Energy bands, intrinsic and extrinsic semiconductors, the p-n junction, diode characteristics and the junction diode as a rectifier — NCERT Class 12 Physics Ch 14

13 formulas

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Physics Class 12 — Frequently asked

How many Physics formulas are in Class 12 CBSE?+

11 chapters covering roughly 148 core formulas — all listed with derivations and solved examples.

Are these Physics formulas aligned to the 2025-26 syllabus?+

Yes. Every chapter follows the current CBSE Class 12 syllabus for the 2026 board exam.

Can I download the Physics formula sheet as PDF?+

Yes. Open the complete Physics formula sheet (all chapters on one printable page) or any chapter's formula sheet, press Print / Save PDF and choose "Save as PDF". Every formula comes with its symbols, units and a short hint.