โ๏ธ Free Physics Notes & Practice Quiz
From motion to modern physics: master all of JEE and NEET
Physics is the foundation of science and engineering. From the motion of a cricket ball to the behaviour of electrons in a semiconductor, physics explains it all. Master each topic with the study notes below, then test yourself with topic-wise quizzes.
Start practicing Physics free →๐ Classical Mechanics
Forces, motion, energy, gravity, rotation, and fluids. The largest and most fundamental branch of physics.
- Units and Measurements Class 11
SI base units, dimensional analysis, significant figures, and error propagation. The toolkit every physics calculation relies on. - Kinematics Class 11
Equations of motion, projectile motion, relative velocity. Foundation of all mechanics. - Laws of Motion Class 11
Newton's three laws, friction, circular motion, and free body diagrams. - Work, Energy & Power Class 11
Work-energy theorem, potential energy, conservation of energy, collisions. - Gravitation Class 11
Universal gravitation, orbital mechanics, gravitational potential, and escape velocity. - Rotational Motion Class 11
Moment of inertia, torque, angular momentum, rolling motion. Very high JEE weightage. - Fluid Mechanics Class 11
Pressure, buoyancy, Bernoulli equation, viscosity, and surface tension. - Mechanical Properties of Solids Class 11
Stress, strain, Hookes law, and the elastic moduli that describe how solids deform and recover under load.
ใฐ๏ธ Oscillations, Waves & Optics
Periodic motion, wave behaviour, and the science of light.
- SHM & Oscillations Class 11
Simple harmonic motion, spring-mass, pendulum, energy in SHM, and resonance. - Waves & Sound Class 11
Wave types, superposition, standing waves, Doppler effect, and sound intensity. - Thermodynamics Class 11
Laws of thermodynamics, heat engines, entropy, and gas processes. - Ray Optics Class 12
Reflection, refraction, lenses, mirrors, total internal reflection. - Wave Optics Class 12
Huygens principle, Young's double slit, diffraction, polarization. Essential for JEE. - Thermal Properties of Matter Class 11
Temperature scales, thermal expansion, calorimetry, and the three modes of heat transfer including radiation laws. - Kinetic Theory Class 11
Kinetic theory of gases connects molecular motion to pressure and temperature, explaining gas laws, specific heats, and molecular speeds.
โก Electricity & Magnetism
Electric fields, circuits, magnetism, electromagnetic induction, AC circuits, and EM waves.
- Electrostatics Class 12
Coulomb's law, electric field, potential, capacitors, Gauss's law. - Current Electricity Class 12
Ohm's law, resistors, Kirchhoff's laws, Wheatstone bridge, and cells. - Moving Charges and Magnetism Class 12
Magnetic force on moving charges and currents, the Biot-Savart law, Ampere's law, and the cyclotron โ how electric currents create and respond to magnetic fields. - Magnetism and Matter Class 12
Bar magnets, Earth's magnetism, and how different materials respond to an external magnetic field โ diamagnetic, paramagnetic, and ferromagnetic behaviour. - Electromagnetic Induction Class 12
Faraday's and Lenz's laws, motional EMF, self/mutual inductance, eddy currents, and the AC generator โ how a changing magnetic flux creates an electric current. - Alternating Current Class 12
AC circuits, impedance, LCR series circuit, resonance, transformers, and power factor. - Electromagnetic Waves Class 12
Maxwell's equations, EM spectrum, properties, and applications of each band.
โ๏ธ Modern Physics
Quantum mechanics, atomic structure, nuclear physics, and semiconductors.
- Dual Nature & Atoms Class 12
Photoelectric effect, de Broglie waves, Bohr's model, atomic spectra. - Nuclear Physics Class 12
Radioactivity, nuclear reactions, fission, fusion, and binding energy. - Semiconductors Class 12
Band theory, p-n junction, diodes, transistors, logic gates, and integrated circuits.