JEE Main Syllabus for Physics is provided by the exam conducting authority. This year NTA has made some change in the pattern of the examination. Physics section will hold 25 objective type questions. Check JEE Main Exam Pattern
JEE Main Syllabus for Physics contains two sections – A and B. Section A pertains to the Theory Part which holds 80% of the total weightage and Section B contains Practical Part (Experimental Skills) having 20% weightage. Read the following article to know more about Physics syllabus for JEE Main 2020.
The following table depicts the JEE Main Syllabus for Physics (Theory Part):
S.No.  Unit  Topics 

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 Physical quantities, dimensional analysis and its applications  
2  Kinematics  Frame of reference. 
Motion in a straight line: Positiontime graph, speed and velocity.  
Uniform and nonuniform motion, average speed and instantaneous velocity Uniformly accelerated motion, velocitytime, positiontime graphs, 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  
3  Laws of Motion  Force and Inertia, 
Newton’s First Law of motion; Momentum, Newton’s Second Law of motion; Impulse; 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, WorkEnergy theorem 
Power  
Potential energy of a spring, Conservation of mechanical energy, Conservative and nonconservative forces;  
Elastic and inelastic collisions in one and two dimensions.  
5  Rotational Motion  Centre of mass of a twoparticle system, Centre of 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 laws of planetary motion  
Gravitational potential energy; gravitational potential.  
Escape velocity.  
Orbital velocity of a satellite. Geostationary satellites.  
7  Properties of Solids and Liquids  Elastic behaviour, Stressstrain 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 transferconduction, convection and radiation, Newton’s law of cooling  
8  Thermodynamics  Thermal equilibrium, zeroth law of thermodynamics, concept of temperature 
Heat, work and internal energy  
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, 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 lawforces 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, combination of capacitors in series and in 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, VI characteristics of Ohmic and nonohmic 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 in 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 currentcarrying conductor in a uniform magnetic field. Force between two parallel currentcarrying conductorsdefinition of ampere, Torque experienced by a current loop in 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 ferro magnetic 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 e.m. 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 Huygen’s 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, Polarisation, plane polarized light  
Brewster’s law, uses of plane polarized light and Polaroids.  
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 waveswave nature of the particle, de Broglie relation.  
Davis sonGermer experiment.  
18  Atoms and Nuclei  Alphaparticle scattering experiment 
Rutherford’s model of the atom  
Bohr model, energy levels, hydrogen spectrum  
Composition and size of the nucleus, atomic masses, isotopes, isobars, and isotones  
Radioactivityalpha, beta and gamma particles/rays and their properties  
Radioactive decay law  
Massenergy relation, mass defect  
Binding energy per nucleon and its variation with mass number, nuclear fission and fusion.  
19  Electronic Devices  Semiconductors 
Semiconductor diode: IV characteristics in forward and reverse bias  
Diode as a rectifier  
1V characteristics of LED, 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). 
Check JEE Main 2020 Syllabus
Section B
The following table depicts the JEE Main Syllabus for Physics (Practical Part):
S.No.  Experiments 

1  Vernier callipersits use to measure internal and external diameter and depth of a vessel. 
2  Screw gaugeits use to determine thickness/ diameter of thin sheet/wire. 
3  Simple Pendulumdissipation of energy by plotting a graph between square of amplitude and time. 
4  Metre Scale – mass of a given object by principle of moments. 
5  Young’s modulus of elasticity of the material of a metallic wire. 
6  Surface tension of water by capillary rise and effect of detergents. 
7  Coefficient of Viscosity of a given viscous liquid by measuring terminal velocity of a given spherical body. 
8  Plotting a cooling curve for the relationship between the temperature of a hot body and time. 
9  Speed of sound in air at room temperature using a resonance tube. 
10  Specific heat capacity of a given (i) solid and (ii) liquid by method of mixtures. 
11  Resistivity of the material of a given wire using metre bridge. 
12  Resistance of a given wire using Ohm’s law. 
13  Potentiometer

14  Resistance and figure of merit of a galvanometer by half deflection method 
15  Focal length of:
using parallax method 
16  Plot of angle of deviation vs angle of incidence for a triangular prism. 
17  Refractive index of a glass slab using a traveling microscope. 
18  Characteristic curves of a pn junction diode in forward and reverse bias. 
19  Characteristic curves of a Zener diode and finding reverse break down voltage. 
20  Characteristic curves of a transistor and finding current gain and voltage gain. 
21  Identification of Diode, LED, Transistor, IC, Resistor, Capacitor from mixed collection of such items. 
22  Using multimeter to:
