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PhysicsFor NEET UG 2026

Mechanics, thermodynamics, optics, electromagnetism, and modern physics — explained step by step.

NEET-UG/Physics
chapter21
topic129

Physics - Scope and Excitement

Nature of Physical Laws

Units and Measurements

Measurement of Length

Measurement of Mass and Time

Accuracy and Precision

Motion in a Straight Line

Motion in a Plane

Relative Velocity

Uniform Circular Motion

Newton's First Law

Newton's Second Law

Newton's Third Law

Conservation of Momentum

Friction

Dynamics of Uniform Circular Motion

Work

Kinetic Energy

Potential Energy

Conservation of Energy

Power

Collisions

Centre of Mass

Linear Momentum of System

Angular Momentum

Equilibrium of Rigid Bodies

Moment of Inertia

Kinematics of Rotational Motion

Dynamics of Rotational Motion

Universal Law of Gravitation

Acceleration due to Gravity

Gravitational Potential Energy

Orbital Motion

Geostationary Satellites

Weightlessness

Elastic Behaviour of Solids

Pressure in Fluids

Streamline Flow

Viscosity

Reynolds Number

Surface Energy and Surface Tension

Thermal Equilibrium

Heat, Temperature and Internal Energy

First Law of Thermodynamics

Second Law of Thermodynamics

Reversible and Irreversible Processes

Entropy

Equation of State of Perfect Gas

Kinetic Theory

Specific Heat Capacity

Mean Free Path

Avogadro's Number

Brownian Motion

Periodic Motion

Oscillations of Spring

Simple Pendulum

Free, Forced and Damped Oscillations

Wave Motion

Speed of Wave on String

Sound Waves

Beats

Electric Charges

Coulomb's Law

Electric Field

Gauss's Law

Electric Potential

Potential due to Point Charge

Potential due to Electric Dipole

Potential Energy in External Field

Capacitor and Capacitance

Parallel and Series Capacitors

Energy Stored in Capacitor

Effect of Dielectric

Polarisation

Van de Graaff Generator

Electric Current

Ohm's Law

Electrical Energy and Power

Resistances in Series and Parallel

Cells, EMF, Internal Resistance

Kirchhoff's Laws

Wheatstone Bridge

Potentiometer

Magnetic Field

Magnetic Field due to Current

Force on Moving Charge

Force on Current Carrying Conductor

Torque on Current Loop

Moving Coil Galvanometer

Magnetic Properties of Matter

Electromagnetic Induction

Motional EMF

Self and Mutual Inductance

Alternating Current

LCR Circuits

Power in AC Circuit

Transformer

Displacement Current

Electromagnetic Waves

Electromagnetic Spectrum

Applications of EM Waves

Reflection of Light

Refraction of Light

Lenses

Refraction through Prism

Optical Instruments

Dispersion of Light

Scattering of Light

Huygens Principle

Interference of Light

Diffraction

Polarisation

Resolving Power

Photoelectric Effect

Particle Nature of Light

Wave Nature of Matter

Davisson-Germer Experiment

Alpha Particle Scattering

Bohr Model of Hydrogen

Line Spectra of Hydrogen

Composition of Nucleus

Radioactivity

Nuclear Fission and Fusion

Energy Bands in Crystals

Semiconductor Diode

Diode as Rectifier

Special Purpose Diodes

Junction Transistor

Logic Gates

subtopic162

SI Units

Dimensional Analysis

Significant Figures

Position and Displacement

Velocity and Acceleration

Kinematic Equations

Vector Addition

Projectile Motion

Circular Motion

Angular Displacement

Angular Velocity

Inertia

Equilibrium

Force and Acceleration

Impulse and Momentum

Collisions

Rocket Propulsion

Static Friction

Kinetic Friction

Work by Constant Force

Work by Variable Force

Work-Energy Theorem

Gravitational PE

Elastic PE

Conservative Forces

Non-conservative Forces

Average Power

Instantaneous Power

Elastic Collisions

Inelastic Collisions

Motion of Centre of Mass

Centre of Mass of Rigid Bodies

Conservation of Angular Momentum

Torque

Radius of Gyration

Parallel and Perpendicular Axis Theorem

Rolling Motion

Gravitational Constant

Variation of g

Gravitational Potential

Escape Velocity

Orbital Velocity

Time Period of Satellite

Stress and Strain

Hooke's Law

Young's Modulus

Pascal's Law

Atmospheric Pressure

Equation of Continuity

Bernoulli's Principle

Angle of Contact

Capillarity

Zeroth Law of Thermodynamics

Specific Heat

Latent Heat

Thermodynamic Processes

Heat Capacities

Heat Engines

Refrigerators

Carnot Engine

Ideal Gas Law

Universal Gas Constant

Molecular Speeds

Law of Equipartition of Energy

Molar Heat Capacities

Simple Harmonic Motion

SHM Equations

Spring-Mass System

Time Period of Pendulum

Resonance

Longitudinal and Transverse Waves

Wave Equation

Speed of Sound

Doppler Effect

Conservation of Charge

Quantization of Charge

Superposition Principle

Electric Field Lines

Electric Flux

Applications of Gauss's Law

Potential Difference

Equipotential Surfaces

Electric Dipole

Parallel Plate Capacitor

Equivalent Capacitance

Dielectric Constant

Current Density

Drift Velocity

Electrical Resistance

Resistivity

Joule's Law

Equivalent Resistance

Cells in Series and Parallel

Junction Rule

Loop Rule

Magnetic Field Lines

Biot-Savart Law

Ampere's Law

Lorentz Force

Cyclotron

Force between Parallel Currents

Magnetic Dipole

Ammeter and Voltmeter

Diamagnetism

Paramagnetism

Ferromagnetism

Faraday's Law

Lenz's Law

Self Inductance

Mutual Inductance

AC Voltage and Current

RMS Values

Reactance

Impedance

Resonance in AC Circuits

Power Factor

Properties of EM Waves

Speed of EM Waves

Radio Waves

Microwaves

Infrared Waves

Laws of Reflection

Spherical Mirrors

Snell's Law

Total Internal Reflection

Critical Angle

Thin Lens Formula

Lens Maker's Formula

Power of Lens

Minimum Deviation

Microscope

Telescope

Rainbow

Young's Double Slit

Coherent Sources

Single Slit Diffraction

Malus Law

Einstein's Photoelectric Equation

Work Function

Photons

de Broglie Wavelength

Rutherford Model

Energy Levels

Hydrogen Spectrum

Balmer Series

Mass-Energy Relation

Binding Energy

Alpha, Beta, Gamma Decay

Half Life

Decay Constant

Chain Reaction

Nuclear Reactor

Conductors, Insulators, Semiconductors

p-n Junction

Forward and Reverse Bias

Half Wave Rectifier

Full Wave Rectifier

Zener Diode

LED

Transistor Action

Transistor as Amplifier

AND, OR, NOT Gates