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JEE Main 2023 Physics Syllabus


JEE Main Physics Syllabus: The syllabus for the JEE Main 2023 Physics section can be downloaded from this page. Every year, the syllabus is announced by the NTA on the official website for JEE Main.
For JEE Main 2023, the syllabus for Physics will soon be updated on the website as soon as the notification for JEE Main is released by the NTA.

The syllabus for JEE Main is expected to be similar to JEE Main 2022 and for the ease of students preparing for JEE Main 2023, we are providing the syllabus for the previous year*.

*Any changes in the syllabus will be updated accordingly.

JEE Mains Physics Syllabus: Section A

The Physics Syllabus for JEE mains consists of two Sections:

Section A: Consisting of theory part (80% weightage)
Section B: Consisting of Practical part (20% weightage)

JEE Main Physics Important Questions

Here are the chapter-wise details of Section A for Physics for JEE Main Exam

Unit 1: Physics and Measurement

Physics, technology, and society, S I 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.

Unit 2: Kinematics

The 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, position-time graph, relations for uniformly accelerated motion, 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.

Unit 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.

Unit 4: Work, Energy and Power

Work done by a content force and a variable force; kinetic and potential energies, work-energy theorem, power.
The potential energy of spring conservation of mechanical energy, conservative and neoconservative forces; Elastic and inelastic collisions in one and two dimensions.

Unit 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; a moment of a force; torque, angular momentum, conservation of angular momentum and its applications; the moment of inertia, the 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.

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, Orbital velocity of a satellite. Geo stationary satellites.

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. 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.

Unit 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.

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 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.

Unit 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, a reflection of waves. Standing waves in strings and organ pipes, fundamental mode and harmonics. Beats. Doppler Effect in sound.

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: 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 to find field due to infinitely long uniformly charged straight wire, uniformly charged infinite plane sheet and uniformly charged thin spherical shell. 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, the 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.

Unit 12: Current Electricity

Electric current. Drift velocity. Ohm’s law. Electrical resistance. Resistances of different materials. V-l 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, a combination of cells in series and parallel. Kirchhoff’s laws and their applications. Wheatstone bridge. Metre Bridge. Potentiometer – principle and its applications.

Unit 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. The 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 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.

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: Quality factor, power in AC circuits, wattless current. AC generator and transformer.

Unit 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 e.m. waves.

Unit 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 central maximum. Resolving power of microscopes and astronomical telescopes. Polarization, plane-polarized light: Brewster’s law, uses of plane-polarized light 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 particle, de Broglie relation. Davisson- Germer experiment.

Unit 18: Atoms and Nuclei

Alpha-particle scattering experiment; Rutherford’s model of atom; Bohr model, energy levels, hydrogen spectrum. Composition and size of 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.

Unit 19: Electronic Devices

Semiconductors; semiconductor diode: 1- V 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.

Unit 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. the bandwidth of Transmission medium, Basic Elements of a Communication System (Block Diagram only).

JEE Main Physics Important Topics

Many students preparing for JEE Main exam find the Physics section difficult in comparison to Maths and Chemistry. Though questions asked in the JEE Main Physics section are from the syllabus of classes 11 and 12, students need a higher skill set to solve the JEE Main questions. To help students prepare well for the JEE Main Physics, our experts have prepared a list of important concepts:

Units of Force Coefficient of Viscosity Difference Between Series and Parallel Circuits
Difference Between Pound and Kilogram Stokes Law Derivation Biot Savart Law
Accuracy Precision and Error in Measurement Critical Velocity Ampere S Law
Screw Gauge Bernoullis Principle Magnetic Field
Frames of Reference Fluid Flow Ampere
Position Time and Velocity Time Graphs Difference Between Heat and Temperature Magnetic Dipole Moment
Velocity Time and Acceleration Time Graphs Calorimeter Magnetic Moment
Speed Time Graphs Coefficient of Linear Expansion Magnet
Difference Between Speed and Velocity Thermal Properties of Materials Bar Magnet
Velocity Latent Heat of Water Uses of Electromagnets
Instantaneous Speed and Velocity Difference Between Conduction Convection and Radiation Faradays Law
Uniform Motion and Non Uniform Motion Reversible and Irreversible Processes Electromagnetic Induction
Equations of Motion Carnot Engine Faradays Law
Scalar and Vector Quantity Adiabatic Process Lenzs Law
Difference Between Scalar and Vector Kinetic Theory of Gases Solenoid and Toroid
Projectile Motion Law Equipartition Energy Ac Generator
Uniform Circular Motion Avogadros Number Electromagnetic Waves
Newton S Laws of Motion First Law Oscillatory Motion Gamma Rays Electromagnetic Spectrum
Force and Momentum Waves Unit of Light
Newtons Second Law of Motion Periodic Motion Mirrors
Linear Momentum Force Its Unit and Dimension Prism Dispersion
Static Friction Resonance Reflection of Light
Kinetic Friction Types of Waves Lens Formula and Magnification
Frictional Force Reflection of Waves Power of a Lens
Rolling Friction Doppler Effect Derivation Resolving Power of a Microscope
Centripetal and Centrifugal Force Electrostatics Single Slit Diffraction
Work and Power Electromagnetism Mirrors
Work Done by a Variable Orce Electrical Force Einsteins Explanation of Photoelectric Effect
Kinetic and Potential Energy Difference Electrostatics Particle Nature of Light
Conservative Force Continuous Charge Distribution Einsteins Explanation of Photoelectric Effect
Elastic Collision Electric Displacement Atomic Theory
Relation Between Torque and Speed Semiconductors and Insulators Gamma Decay
Angular Momentum Capacitor Types Nuclear Fission
Radius of Gyration Resistors in Series and Parallel Configuration Controlled Thermonuclear Fusion
Motion Under Gravity Unit of Current Semiconductor Devices
Rotation and Revolution Ohms Law Uses of Transistors
Derivation of Escape Velocity Power Semiconductor Devices
Stress and Strain Work and Power Zener Diode
Young S Modulus Kirchoffs Weins Law Zener Diode as a Voltage Regulator
Bulk Modulus Potentiometer Working Electromagnetic Waves
Pascal Law Wheatstone Bridge Space Wave Propagation
What Exactly Is Viscosity Ac Voltage Resistor Amplitude Modulation
Unit of Viscosity Carbon Resistor Modulation

Modulation and Demodulation


How to Test Your Exam Preparation?

After completing all the above-mentioned JEE Main Physics syllabus, try to attempt the JEE Main previous year question papers and the JEE mock test 2023 to know how well you have prepared for the examination. If you need further help in improving your entrance exam preparation, join our JEE crash course to learn from the experts. 

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