JEE Main Physics Syllabus 2025: The JEE Main Physics Syllabus consists of 21 units from Class 11 and 12 NCERT. It holds a significant 33.33% weightage in the exam. This syllabus PDF covers various topics like Current Electricity, Laws of Motion, Optics, Alternating Currents, Work Power & Energy, and more.
You can find the JEE Main Physics Syllabus 2025 with its weightage PDF and previous year’s question papers in the article. No changes are expected in the JEE Main Physics Syllabus. The Physics section in the JEE Main question paper contains a total of 30 questions, out of which candidates need to answer 25.
Physics is widely regarded as the most challenging section in the JEE Main 2025 exam. The complexity increases when questions combine two topics into a single question, a common practice in JEE Main physics questions.
The JEE Main Physics Syllabus 2025 is split into two main parts. Part A focuses on theory and carries 80% of the weightage. Part B, on the other hand, is dedicated to practical aspects and makes up the remaining 20%. The table provided contains a comprehensive list of all the topics and sub-topics you’ll find in the JEE Physics Syllabus.
| JEE Main Physics Syllabus 2025 | ||
| Unit | Topics | Sub-Topics |
| 1 | Physics and Measurement | – Physics, technology, and society – SI Units, fundamental and derived units – Least count, accuracy, and precision of measuring instruments – Errors in measurement – Dimensions of Physics quantities – Dimensional analysis and its applications |
| 2 | Kinematics | – Frame of reference – Motion in a straight line – Position-time graph – Speed and velocity – Uniform and non-uniform motion – Average speed and instantaneous velocity – Uniformly accelerated motion – Velocity-time and position-time graphs – Scalars and Vectors – Vector addition and subtraction – Zero vector – Scalar and vector products – Unit Vector – Resolution of a Vector – Relative Velocity – Motion in a plane – Projectile Motion – Uniform Circular Motion |
| 3 | Laws of Motion | – Force and inertia – Newton’s First law of motion – Momentum – Newton’s Second Law of motion – Impulses – Newton’s Third Law of motion – 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 |
| 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 spring – Conservation of mechanical energy – Conservative and non-conservative forces – Elastic and inelastic collisions in one and two dimensions |
| 5 | Rotational Motion | – Centre of the mass of a two-particle system – Centre of the mass of a rigid body – Basic concepts of rotational motion – Moment of a force – 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 – Rigid body rotation equations of rotational motion |
| 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 – Orbital velocity of a satellite – Geo stationary satellites |
| 7 | Properties of Solids and Liquids | – Elastic behavior – 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 – Viscosity – Stokes’ law – Terminal velocity – Streamline and turbulent flow – Reynolds number – Bernoulli’s principle and its applications – Surface energy and surface tension – Angle of contact – 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 – Newton’s law of cooling |
| 8 | Thermodynamics | – Thermal equilibrium – Zeroth law of thermodynamics – The concept of temperature – Heat, work, and internal energy – The first law of thermodynamics – The second law of thermodynamics – Reversible and irreversible processes – Carnot engine and its efficiency |
| 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 energy and temperature – RMS speed of gas molecules – Degrees of freedom – Law of equipartition of energy – Applications to specific heat capacities of gases – Mean free path – Avogadro’s number |
| 10 | Oscillations and Waves | – Periodic motion – 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 – Free, forced, and damped oscillations – Resonance – Wave motion – Longitudinal and transverse waves – Speed of a 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 – Doppler Effect in sound |
| 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 – Electric field due to a point charge – Electric field lines – Electric dipole – Electric field due to a dipole – Torque on a dipole in a uniform electric field – Electric flux – Gauss’s law and its applications – Electric potential and its calculation for a point charge, electric dipole, and system of charges – Equipotential surfaces – Electrical potential energy of a system of two point charges in an electrostatic field – Conductors and insulators – Dielectrics and electric polarization – Capacitor – Combination of capacitors in series and parallel – Capacitance of a parallel plate capacitor with and without dielectric medium between the plates – Energy stored in a capacitor |
| 12 | Current Electricity | – Electric current – Drift velocity – Ohm’s law – Electrical resistance – Resistances of different materials – V-I characteristics of Ohmic and non-Ohmic conductors – Electrical energy and power – Electrical resistivity – Colour code for resistors – Series and parallel combinations of resistors – Temperature dependence of resistance – Electric Cell and its Internal resistance – Potential difference and emf of a cell – Combination of cells in series and parallel – Kirchhoff’s laws and their applications – Wheatstone bridge – Metre Bridge – Potentiometer – Principle and its applications |
| 13 | Magnetic Effects of Current and Magnetism | – Biot-Savart law and its application to current-carrying circular loop – Ampere’s law and its applications to infinitely long current-carrying straight wire and solenoid – Force on a moving charge in uniform magnetic and electric fields – Cyclotron – Force on a current-carrying conductor in a uniform magnetic field – Force between two parallel currents carrying conductors – Definition of ampere – Torque experienced by a current loop in a uniform magnetic field – Moving coil galvanometer, its current 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 – Earth’s magnetic field and magnetic elements – Para-, dia-, and ferromagnetic substances – Magnetic susceptibility and permeability – Hysteresis – Electromagnets and permanent magnets |
| 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 – Quality factor – Power in AC circuits – Wattless current – AC generator and transformer |
| 15 | Electromagnetic Waves | – 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 |
| 16 | Optics | – Reflection and refraction of light at plane and spherical surfaces – Mirror formula – Total internal reflection and its applications – Deviation and Dispersion of light by a prism – Lens Formula – Magnification – Power of a Lens – Combination of thin lenses in contact – Microscope and 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 of light – Diffraction due to a single slit – Width of the central maximum – Resolving power of microscopes and astronomical telescopes – Polarization – Plane-polarized light – Brewster’s law – Uses of plane-polarized light and Polaroid |
| 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 particle – De Broglie relation – Davisson-Germer experiment |
| 18 | Atoms and Nuclei | – Alpha-particle scattering experiment – Rutherford’s model of atom – Bohr model – Energy levels – Hydrogen spectrum – Composition and size of the nucleus – Atomic masses – Isotopes – Isobars – Isotones – Radioactivity – Alpha, beta, and gamma particles/rays and their properties – Radioactive decay law – Mass-energy relation – Mass defect – Binding energy per nucleon and its variation with mass number – Nuclear fission and fusion |
| 19 | Electronic Devices | – Semiconductors – Semiconductor diode – V-I characteristics in forward and reverse bias – Diode as a rectifier – I-V characteristics of LED, the photodiode, solar cell, and Zener diode – Zener diode as a voltage regulator – Junction transistor – Transistor action – Characteristics of a transistor – Transistor as an amplifier (common emitter configuration) and oscillator – Logic gates (OR, AND, NOT, NAND, and NOR) – Transistor as a switch |
| 20 | Communication Systems | – Propagation of electromagnetic waves in the atmosphere – Sky and space wave propagation – Need for modulation – Amplitude and Frequency Modulation – Bandwidth of signals – Bandwidth of Transmission medium – Basic Elements of a Communication System (Block Diagram only) |
| 21 | Experimental Skills | – Familiarity with the basic approach and observations of the experiments and activities – Various experiments involving measurements and observations in physics and electronics, such as: – Vernier calipers – Screw gauge – Simple pendulum – And more. |
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Let’s take a closer look at the weightage of each chapter in the JEE Main Physics Syllabus, using data from previous years to understand their significance.
| JEE Main Physics Syllabus Chapter-Wise Weightage | ||
| Chapters | JEE Physics Questions | |
| June Session (2022) | July Session (2022) | |
| Current Electricity | 26 | 23 |
| Laws of Motion | 17 | 14 |
| Ray Optics | 13 | 15 |
| Semiconductors | 18 | 10 |
| Alternating Current | 14 | 13 |
| Magnetic Effects of Current | 17 | 10 |
| Work Power Energy | 15 | 11 |
| Capacitance | 14 | 11 |
| Gravitation | 14 | 10 |
| Electrostatics | 14 | 9 |
| Communication System | 12 | 9 |
| Dual Nature of Matter | 12 | 9 |
| Kinetic Theory of Gases | 10 | 11 |
| Mechanical Properties of Fluids | 12 | 9 |
| Motion In One Dimension | 12 | 9 |
| Thermodynamics | 14 | 7 |
| Waves and Sound | 12 | 8 |
| Oscillations | 7 | 12 |
| Thermal Properties of Matter | 12 | 7 |
| Motion In Two Dimensions | 9 | 9 |
| Atomic Physics | 7 | 10 |
| Nuclear Physics | 9 | 8 |
| Rotational Motion | 11 | 6 |
| Wave Optics | 10 | 5 |
| Center of Mass Momentum | 6 | 8 |
| Electromagnetic Induction | 8 | 6 |
| Electromagnetic Waves | 9 | 5 |
| Units and Dimensions | 7 | 7 |
| Magnetic Properties of Matter | 6 | 7 |
| Mechanical Properties of Solids | 2 | 11 |
| Mathematics in Physics | 7 | 5 |
| Experimental Physics | 4 | 6 |
As of my last update in September 2021, the JEE 2025 syllabus had not been released. Please check the latest updates from official sources.
The reduction of syllabus for JEE 2025 is uncertain. It depends on the official notification by exam authorities.
The difficulty of JEE 2025 varies from person to person. It can be challenging, but with proper preparation, it's manageable.
The physics syllabus for JEE Main typically covers topics from mechanics, electricity, magnetism, optics, modern physics, and more. Refer to the official JEE website for specific details.
As of my last update, any reduction in JEE 2025 syllabus had not been confirmed. Please stay updated with official announcements.
NCERT books are a good starting point for IIT preparation, but additional study materials and practice are usually needed for a strong IIT entrance exam performance.
The JEE Main Physics Syllabus holds a significant weightage of 33.33% in the exam.
The JEE Main Physics Syllabus 2025 consists of 21 units, covering topics from both Class 11 and 12 NCERT.
The Physics section in the JEE Main question paper contains a total of 30 questions, out of which candidates need to answer 25.
No changes are expected in the JEE Main Physics Syllabus for 2025.
Based on previous year's data, Current Electricity has one of the highest weightages in the JEE Main Physics Syllabus.