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## JEE Main Physics Syllabus 2024

S.No. | Unit | Topics Covered |

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: Position-time graph, speed and velocity. | ||

Uniform and non-uniform 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 | ||

3 | Laws of Motion | Force and Inertia, |

Newton’s First Law of motion: Momentum, Newton’s Second Law of motion: Impulse and 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 | ||

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 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 | ||

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, 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, 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 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 | ||

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 flux, | ||

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, 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. | ||

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 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. | ||

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 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, 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 waves-wave nature of the particle, de Broglie relation. | ||

Davis son-Germer experiment. | ||

18 | Atoms and Nuclei | Alpha-particle 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 | ||

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: I-V characteristics in forward and reverse bias | ||

Diode as a rectifier | ||

1-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 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). |

**JEE Main Physics Experimental Skills (Section B)**

S.No. | Experiments |

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. |

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 a metre bridge. |

12 | Resistance of a given wire using Ohm’s law. |

13 | Potentiometer -Comparison of emf of two primary cells. -Determination of internal resistance of a cell. |

14 | Resistance and figure of merit of a galvanometer by half deflection method |

15 | Focal length of-Convex mirror -Concave mirror, and -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 traveling microscope. |

18 | Characteristic curves of a p-n junction diode in forward and reverse bias. |

19 | Zener diode characteristic curves and finding reverse breakdown 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-Identify base of a transistor -Distinguish between npn and pnp type transistor -See the unidirectional flow of current in case of a diode and an LED. -Check the correctness or otherwise of a given electronic component (diode, transistor or IC). |

## JEE Main Physics Chapter-wise Weightage

### JEE Main Syllabus with Weightage for Physics (Topic/Chapter wise) (Previous year)

S.No | Unit | No. of Questions | Total marks | Weightage |

1. | Modern Physics | 5 | 20 | 16.67% |

2. | Heat and Thermodynamics | 3 | 12 | 10% |

3. | Optics | 3 | 12 | 10% |

4. | Current Electricity | 3 | 12 | 10% |

5. | Electrostatics | 3 | 12 | 10% |

6. | Magnetics | 2 | 8 | 6.67% |

7. | Unit, Dimension and Vector | 1 | 4 | 3.33% |

8. | Kinematics | 1 | 4 | 3.33% |

9. | Laws of motion | 1 | 4 | 3.33% |

10. | Work, Power and Energy | 1 | 4 | 3.33% |

11. | Centre Of Mass, Impulse and Momentum | 1 | 4 | 3.33% |

12. | Rotation | 1 | 4 | 3.33% |

13. | Gravitation | 1 | 4 | 3.33% |

14. | Simple Harmonic Motion | 1 | 4 | 3.33% |

15. | Solids and Fluids | 1 | 4 | 3.33% |

16. | Waves | 1 | 4 | 3.33% |

17. | Electromagnetic Induction; AC | 1 | 4 | 3.33% |

Based on the previous year’s analysis, we have provided the chapter-wise weightage for JEE Main Physics syllabus.

Chapters | Total Questions | Weightage |

Alternating Current | 2 | 6.67% |

Current Electricity | 3 | 10.00% |

Communication System | 1 | 3.33% |

Circular Motion | 1 | 3.33% |

Capacitor | 1 | 3.33% |

Centre Of Mass | 2 | 6.67% |

Electrostatics | 1 | 3.33% |

Error | 1 | 3.33% |

Electromagnetic Waves | 1 | 3.33% |

Magnetic Effect of Current & Magnetism | 2 | 6.67% |

KTG & Thermodynamics | 2 | 6.67% |

SHM | 1 | 3.33% |

Sound Waves | 1 | 3.33% |

KInematics | 1 | 3.33% |

Work Power Energy | 1 | 3.33% |

Kinematics | 1 | 3.33% |

Laws of motion | 1 | 3.33% |

Rotational Dynamics | 2 | 6.67% |

Work, Power and Energy | 1 | 6.67% |

Modern Physics | 2 | 6.67% |

NLM | 1 | 3.33% |

Elasticity | 1 | 3.33% |

Wave Optics | 2 | 6.67% |

Semiconductors | 1 | 3.33% |

## Best Books For JEE Mains Physics

Books | Authors |

NCERT Textbooks | for Class XI and XII |

Understanding Physics | D.C. Pandey |

Concepts of physics for JEE | H.C. Verma (Vol. I and Vol. II) |

Fundamentals of Physics | Halliday, Resnick and Walker |

Understanding Physics | Freedman and Young |

IIT JEE Physics 35 years chapter-wise solved papers | D.C. Pandey |

Problems in Physics | A.A. Pinsky |

Problems in Physics | S.S. Krotov |

Problems in General Physics | IE Irodov |

A Collection of questions and problems in Physics | L.A. Sena |

Advanced Level Physics: Examples and Exercises | Nelkon, Michael, Parker, Philip |

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