# NTA JEE Main Physics Syllabus (PDF): 2020 - 2021

NTA JEE Main Physics Syllabus (PDF) 2020 - 2021: Check latest JEE Main Physics Syllabus 2020-2021 by NTA. Students should go through the latest JEE Main 2020 Syllabus published by NTA.

Created On: Aug 5, 2020 17:51 IST
Modified On: Aug 5, 2020 20:00 IST
NTA JEE Main Physics Syllabus (PDF): 2020 - 2021

NTA JEE Main Physics Syllabus (PDF) 2020 - 2021: Check latest JEE Main Physics Syllabus 2020-2021 by NTA. The new JEE Main Physics Syllabus has been published in the latest official information bulletin of JEE Main 2020. Students preparing for JEE Main 2020 - 2021 are advised to learn the latest syllabus & plan their studies accordingly. Link to download the JEE Main Physics Syllabus 2020 - 2021 is given at the end of this article.

NTA JEE Main Maths Syllabus (PDF): 2020 - 2021

# JEE Main Physics Syllabus: 2020 - 2021

 Part A Unit 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 Physical quantities  - Dimensional analysis and its applications Unit 2: Kinematics - Frame of reference - Motion in a straight line: Position time graph, speed and velocity - Uniform and nonuniform motion, average speed and instantaneous velocity Uniformly accelerated motion, velocity-time, position-time 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 Unit 3: Laws of Motion - Frame of reference - 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 Unit 4: Work Energy and Power - Work done by a constant force and a variable force - Kinetic and potential energies - Work-energy theorem - Power - Potential energy of a spring, conservation of mechanical energy, conservative and nonconservative forces - Elastic and inelastic collisions in one and two dimension 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, 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 Unit 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 - 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, concept of temperature  - Heat, work and internal energy. First law of thermodynamics - 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, 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, 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, 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. Unit 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 in 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 - Force between two parallel current carrying conductors-definition 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 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 magnifyingpowers - 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. 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 - I-V characteristics in forward and reverse bias, diode as a rectifier - I-V 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 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 - Bandwidth of Transmission medium  - Basic Elements of a Communication System (Block Diagram only) Part B Unit 21: Experimental Skills Familiarity with the basic approach and observations of the experiments and activities: 1. Vernier callipers-its use to measure internal and external diameter and depth of a vessel. 2. Screw gauge-its use to determine thickness/diameter of thin sheet/wire. 3. Simple Pendulum-dissipation 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. Surface tension of water by capillary rise and effect of detergents. 7. Co-efficient 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 (I) Comparison of emf of two primary cells. (I) Determination of internal resistance of a cell. 14. Resistance and figure of merit of a galvanometer by half deflection method. 15. Focal length of: (i) Convex mirror (ii) Concave mirror, and (iii) Convex lens 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 travelling microscope. 18. Characteristic curves of a p-n 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: (I) Identify base of a transistor (ii) Distinguish between npn and pnp type transistor (ii) See the unidirectional flow of current in case of a diode and an LED. (iv) Check the correctness or otherwise of a given electronic component (diode, transistor or IC).