JEE Main Physics Syllabus- Download Pdf, Class 11 and 12 Topics-Wise Weightage

JEE Main Physics Syllabus 2026

JEE Main Physics Syllabus holds a weightage of 25 questions (100 marks) in JEE Main 2026. Students can go through the JEE Main Physics Syllabus 2026 below.

UNIT 1: Units and Measurements

• Units of measurement
• System of units
• SI Units, fundamental and derived units
• Least count, significant figures, Errors in measurements
• Dimensions of physical quantities
• Dimensional analysis and its applications

UNIT 2: Kinematics

• Frame of reference
• Motion in a straight line: speed and velocity, uniform and non-uniform motion, average speed and instantaneous velocity
• Uniformly accelerated motion, velocity-time, position-time graph, relations for uniformly accelerated motion
• Relative velocity
• Motion in a plane, projectile motion
• Uniform circular motion

UNIT 3: Laws of Motion

• Force and inertia
• Newton’s laws of motion (First, Second, Third)
• Momentum, impulse
• Law of conservation of linear momentum and its applications
• Equilibrium of concurrent forces
• Static and kinetic friction, laws of friction, rolling friction
• Dynamics of uniform circular motion
  • Centripetal force and its applications: vehicle on a level circular road, vehicle on a banked road

UNIT 4: Work, Energy, and Power

• Work done by a constant force and a variable force
• Kinetic and potential energies
• Work-energy theorem, power
• The potential energy of a spring
• Conservation of mechanical energy
• Conservative and non-conservative forces
• Motion in a vertical circle
• Elastic and inelastic collisions in one and two dimensions

UNIT 5: Rotational Motion

• Centre of mass of a two-particle system; centre of mass of a rigid body
• Basic concepts of rotational motion, moment of a force, and torque
• Angular momentum: conservation of angular momentum and its applications
• Moment of inertia, radius of gyration, values of moments of inertia for simple geometrical objects, parallel and perpendicular axes theorems, and their applications
• Equilibrium of rigid bodies, rigid body rotation, and equations of rotational motion
• Comparison of linear and rotational motions

UNIT 6: Gravitation

• The universal law of gravitation
• Acceleration due to gravity and its variation with altitude and depth
• Kepler’s law of planetary motion
• Gravitational potential energy, gravitational potential
• Escape velocity
• Motion of a satellite, orbital velocity, time period, and energy of the satellite

UNIT 7: Properties of Solids and Liquids

• Elastic behaviour, stress-strain relationship, Hooke's Law, Young's modulus, bulk modulus, modulus of rigidity
• Pressure due to a fluid column, Pascal's law and its applications, and the effect of gravity on fluid pressure
• Viscosity, Stokes’ law, terminal velocity, streamline and turbulent flow, critical velocity, Bernoulli's principle, and its applications
• Surface energy and surface tension, angle of contact, excess of pressure across a curved surface, application of surface tension: drops, bubbles, and capillary rise
• Heat, temperature, thermal expansion, specific heat capacity, calorimetry, change of state, latent heat
• Heat transfer: conduction, convection, and radiation

UNIT 8: Thermodynamics

• Thermal equilibrium and the concept of temperature, the zeroth law of thermodynamics, heat, work, and internal energy
• The first law of thermodynamics, isothermal and adiabatic processes
• The second law of thermodynamics: reversible and irreversible processes

UNIT 9: Kinetic Theory of Gases

• Equation of state of a perfect gas, work done on compressing a gas
• Kinetic theory of gases: assumptions, the concept of pressure, kinetic interpretation of temperature
• RMS speed of gas molecules, degrees of freedom, law of equipartition of energy, and applications to specific heat capacities of gases, mean free path, Avogadro's number

UNIT 10: Oscillations and Waves

• Oscillations and periodic motion: time period, frequency, displacement as a function of time, periodic functions
• Simple harmonic motion (S.H.M.) and its equation, phase, oscillations of a spring: restoring force and force constant, energy in S.H.M.: kinetic and potential energies, simple pendulum: derivation of expression for its time period
• Wave motion, longitudinal and transverse waves, speed of a travelling wave, displacement relation for a progressive wave, principle of superposition of waves, reflection of waves, standing waves in strings and organ pipes, fundamental mode and harmonics, beats

UNIT 11: Electrostatics

• Electric charges: conservation of charge, Coulomb's law, forces between two point charges, forces between multiple charges, superposition principle, and continuous charge distribution
• Electric field: field due to a point charge, electric field lines, electric dipole, field due to a dipole, torque on a dipole in a uniform electric field
• Electric flux, Gauss's law, and applications to the field due to an infinitely long, uniformly charged straight wire, a uniformly charged infinite plane sheet, and a uniformly charged thin spherical shell
• Electric potential and calculation for a point charge, electric dipole, and system of charges, potential difference, equipotential surfaces, electrical potential energy of a system of two point charges and an electric dipole in an electrostatic field
• Conductors and insulators, dielectrics and electric polarization, capacitors and capacitance, combination of capacitors in series and parallel, capacitance of a parallel plate capacitor with/without dielectric medium, energy stored in a capacitor

UNIT 12: Current Electricity

• Electric current, drift velocity, mobility, and their relation to electric current
• Ohm's law, electrical resistance, I-V characteristics of Ohmic and non-Ohmic conductors
• Electrical energy and power, electrical resistivity and conductivity
• Series and parallel combinations of resistors, temperature dependence of resistance
• Internal resistance, potential difference, and emf of a cell, a combination of cells in series and parallel
• Kirchhoff’s laws and their applications, Wheatstone bridge, Metre Bridge

UNIT 13: Magnetic Effects of Current and Magnetism

• Biot-Savart law and its application to the current-carrying circular loop
• Ampere's law and its applications to an infinitely long current-carrying straight wire and a solenoid
• Force on a moving charge in uniform magnetic and electric fields, force on a current-carrying conductor in a uniform magnetic field, force between two parallel current-carrying conductors, definition of ampere
• Torque experienced by a current loop in a uniform magnetic field; Moving coil galvanometer, its sensitivity, and conversion to ammeter and voltmeter
• Current loop as a magnetic dipole and its magnetic dipole moment, bar magnet as an equivalent solenoid, magnetic field lines, magnetic field due to a magnetic dipole (bar magnet) along its axis and perpendicular to its axis, and torque on a magnetic dipole in a uniform magnetic field
• Para-, dia- and ferromagnetic substances with examples, effect of temperature on magnetic properties

UNIT 14: Electromagnetic Induction and Alternating Currents

• Electromagnetic induction: Faraday's law, induced emf and current, Lenz’s law, eddy currents, self and mutual inductance
• Alternating currents, peak and RMS value of alternating current/voltage, reactance and impedance, LCR series circuit, resonance, power in AC circuits, wattless current, AC generator and transformer

UNIT 15: Electromagnetic Waves

• Displacement current, electromagnetic waves, and their characteristics, transverse nature of electromagnetic waves
• Electromagnetic spectrum (radio waves, microwaves, infrared, visible, ultraviolet, X-rays, Gamma rays), applications of electromagnetic waves

UNIT 16: Optics

• Reflection of light, spherical mirrors, mirror formula
• Refraction of light at plane and spherical surfaces, thin lens formula and lens maker formula, total internal reflection and its applications, magnification, power of a lens, combination of thin lenses in contact
• Refraction of light through a prism, a microscope, and an astronomical telescope (reflecting and refracting), and their magnifying powers
• Wave optics: wavefront and Huygens’ Principle, laws of reflection and refraction using Huygens principle, interference (Young's double-slit experiment and expression for fringe width, coherent sources and sustained interference), diffraction due to a single slit (width of central maximum), polarization (plane-polarized light, Brewster's law, uses and Polaroid)

UNIT 17: Dual Nature of Matter and Radiation

• Dual nature of radiation, Photoelectric effect (Hertz and Lenard's observations, Einstein's photoelectric equation, particle nature of light)
• Matter waves: wave nature of a particle, de Broglie relation

UNIT 18: Atoms and Nuclei

• Alpha-particle scattering experiment, Rutherford's model of the atom, Bohr model, energy levels, hydrogen spectrum
• Composition and size of nucleus, atomic masses, mass-energy relation, mass defect, binding energy per nucleon, and its variation with mass number, nuclear fission and fusion

UNIT 19: Electronic Devices

• Semiconductors, semiconductor diode: I-V characteristics in forward and reverse bias, diode as a rectifier, I-V characteristics of LED, photodiode, solar cell, Zener diode, Zener diode as a voltage regulator
• Logic gates (OR, AND, NOT, NAND, and NOR)

JEE Main Physics Syllabus- Experimental Skills

Students must be familiar with the JEE Main Physics experimental skills listed below.

• Vernier calipers: Use to measure the internal and external diameter and depth of a vessel
• Screw gauge: Use to determine the thickness/diameter of a thin sheet/wire
• Simple pendulum: dissipation of energy by plotting a graph between the square of the amplitude and time
• Metre scale: mass of a given object by the principle of moments
• Young's modulus of elasticity of the material of a metallic wire
• Surface tension of water by capillary rise and the effect of detergents
• The coefficient of viscosity of a given viscous liquid is determined by measuring the terminal velocity of a given spherical body
• Speed of sound in air at room temperature using a resonance tube
• Specific heat capacity of a given (i) solid, (ii) liquid by the method of mixtures
• The resistivity of the material of a given wire using a metre bridge
• The resistance of a given wire using Ohm's law
• Resistance and figure of merit of a galvanometer by the half-deflection method
• The focal length of (i) a convex mirror, (ii) a concave mirror, (iii) a convex lens, using the parallax method
• Plot of angle of deviation vs angle of incidence for a triangular prism
• The refractive index of a glass slab using a travelling microscope
• Characteristic curves of a p-n junction diode in forward and reverse bias
• Characteristic curves of a Zener diode and finding the reverse breakdown voltage
• Identification of a diode, an LED, a resistor, capacitor from a mixed collection of such items