**JEE Main 2024 Chapter Wise Weightage** – The National Testing Agency (NTA) releases a reduced JEE Main syllabus for 2024 on the official website. Candidates can get the weightage of chapters for each paper. Here, we have shared the complete weightage of chapters in the JEE Mains 2024 pdf that will help candidates for better preparation. Also, you can check and download the JEE Main chapter-wise weightage for Physics, Chemistry and Mathematics.

In 2023, NTA reduced the JEE Main syllabus 2024. The JEE Mains Chapter-wise weightage has become the most searched among candidates for the upcoming exam. Here is the JEE Mains 2024 syllabus with weightage pdf.

**JEE Main Syllabus 2024 (Released) – PDF Download for Physics, Chemistry, Maths**

**JEE Main 2024 Chapter-wise Weightage for Physics**

**JEE Main 2024 Chapter-wise Weightage for Physics**

**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 MAGNETISMBiot –**

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 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.

**UNIT 14: ELECTROMAGNETIC INDUCTION AND ALTERNATING**

CURRENTSElectromagnetic 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 2024 Chapter-wise Weightage for Chemistry**

**JEE Main 2024 Chapter-wise Weightage for Chemistry**

**Chemical Thermodynamics**

- Path, State Function, Types Of Process
- Reversible, Irreversible, Polytropic Process
- First Law Or Law Of Conservation Of Energy
- Isothermal Reversible And Isothermal Irreversible
- Adiabatic Reversible And Irreversible Expansion

**Chemical Bonding and Molecular Structure**

- Lewis Representation of Simple Molecules (Lewis Structure)
- Limitations of The Octet Rule
- Bond Parameters: length, angle, energy, strength
- Fazan’s Rule and Covalent Character in Ionic Bond
- p?-p? and p?-d? bonding

**Some Basic Concepts in Chemistry**

- Empirical Formula And Molecular Formula
- Stoichiometry, Stoichiometric Calculations And Limiting Reagent
- MOLE CONCEPT AND MOLAR MASS
- Reactions in Solutions

**Redox Reactions and Electro-chemistry**

- Balancing of Redox Reactions
- Types of Redox Reactions
- Balancing of Redox Reaction: Ion Electrode Method
- Oxidation Number and Oxidation State
- Balancing of Disproportionation Redox Reaction: Ion Electrode Method

**Organic Compounds Containing Halogens**

- Nature of C-X bond and Physical Properties
- SN2 Reaction
- SN1 Reaction
- Reaction with PCl5, PCl3, SOCl2 and HX
- Strong and Weak bases

**Organic Compounds containing Oxygen**

- Grignard Reagent – 1
- Reduction by LiAlH4 and NaBH4
- Preparation of Aldehydes
- Acylation and Oxidation of Alcohols
- Reaction of Phenols with dil. HNO3

**Atomic Structure**

- Photoelectric effect
- Radius, velocity and the energy of nth Bohr orbital
- Debroglie wavelength
- Line spectrum of hydrogen
- Heisenberg’s uncertainty principle

**Principles Related to Practical Chemistry**

- Preliminary Test with Dilute Sulphuric Acid (Systematic Analysis of Anions):
- Analysis of Cations

**d – and f – Block Elements**

- Screening Effect and Lanthanoid Contraction
- Magnetic Properties and Character
- Atomic Size/Radii
- Ionisation Energy
- Oxidation State

**Purification and Characterization of Organic Compounds**

- Sublimation and Crystallisation
- Distillation under reduced pressure and Steam distillation
- Duma’s Method
- Chromatography
- Test for Halogens

**Co-ordination Compounds**

- Addition Compounds or Molecular Compounds
- Terminologies Related to Coordination Compounds
- Coordination Number
- Types of Ligands – 1
- Oxidation Number

**Classification of Elements and Periodicity in Properties**

- Long form of the Modern periodic table
- Classification of Elements: s-block
- Ionisation Enthalpy or Ionisation Potential
- Atomic Radius of Elements
- Variation of Atomic Radii and ionic radii

**Some Basic Principles of Organic Chemistry**

- Functional Group
- IUPAC Nomenclature – 1
- Alkyl Free Radicals
- Carbocations
- Carbanions

**JEE Main 2024 Chapter Wise Weightage for Maths**

**JEE Main 2024 Chapter Wise Weightage for Maths**

**UNIT 1: SETS, RELATIONS, AND FUNCTIONS:**

Sets and their representation: Union, intersection and complement of sets and their algebraic properties; Power set; Relation, Type of relations, equivalence relations, functions; one-one, into and onto functions, the composition of functions.

**UNIT 2: COMPLEX NUMBERS AND QUADRATIC EQUATIONS:**

Complex numbers as ordered pairs of reals, Representation of complex numbers in the form a + ib and their representation in a plane, Argand diagram, algebra of complex number, modulus and argument (or amplitude) of a complex number, square root of a complex number, triangle inequality, Quadratic equations in real and complex number system and their solutions Relations between roots and co-efficient, nature of roots, the formation of quadratic equations with given roots.

**UNIT3: MATRICES AND DETERMINANTS:**

Matrices, algebra of matrices, type of matrices, determinants, and matrices of order two and three, properties of determinants, evaluation of determinants, area of triangles using determinants, Adjoint, and evaluation of inverse of a square matrix using determinants and elementary transformations, Test of consistency and solution of simultaneous linear equations in two or three variables using determinants and matrices.

**UNIT 4: PERMUTATIONS AND COMBINATIONS:**

The fundamental principle of counting, permutation as an arrangement and combination as section, Meaning of P (n,r) and C (n,r), simple applications.

**UNIT 5: MATHEMATICAL INDUCTIONS:**

Principle of Mathematical Induction and its simple applications.

**UNIT 6: BINOMIAL THEOREM AND ITS SIMPLE APPLICATIONS:**

Binomial theorem for a positive integral index, general term and middle term, properties of Binomial coefficients, and simple applications.

**UNIT 7: SEQUENCE AND SERIES:**

Arithmetic and Geometric progressions, insertion of arithmetic, geometric means between two given numbers, Relation between A.M and G.M sum up to n terms of special series; Sn, Sn2, Sn3. Arithmetico-Geometric progression.

**UNIT 8: LIMIT, CONTINUITY, AND DIFFERENTIABILITY:**

Real–valued functions, algebra of functions, polynomials, rational, trigonometric, logarithmic, and exponential functions, inverse function. Graphs of simple functions. Limits, continuity, and differentiability. Differentiation of the sum, difference, product, and quotient of two functions. Differentiation of trigonometric, inverse trigonometric, logarithmic, exponential, composite and implicit functions; derivatives of order up to two, Rolle’s and Lagrange’s Mean value Theorems, Applications of derivatives: Rate of change of quantities, monotonic Increasing and decreasing functions, Maxima and minima of functions of one variable, tangents and normal.

**UNIT 9: INTEGRAL CALCULAS:**

Integral as an anti-derivative, Fundamental integral involving algebraic, trigonometric, exponential, and logarithms functions. Integrations by substitution, by parts, and by partial functions. Integration using trigonometric identities.

Integral as limit of a sum. The fundamental theorem of calculus, properties of definite integrals. Evaluation of definite integrals, determining areas of the regions bounded by simple curves in standard form.

**UNIT 10: DIFFRENTIAL EQUATIONS**

Ordinary differential equations, their order, and degree, the formation of differential equations, solution of differential equation by the method of separation of variables, solution of a homogeneous and linear differential equation of the type

**UNIT 11: CO-ORDINATE GEOMETRY**

Cartesian system of rectangular coordinates in a plane, distance formula, sections formula, locus, and its equation, translation of axes, the slope of a line, parallel and perpendicular lines, intercepts of a line on the co-ordinate axis.

**Straight line**

Various forms of equations of a line, intersection of lines, angles between two lines, conditions for concurrence of three lines, the distance of a point form a line, equations of internal and external by sectors of angles between two lines co-ordinate of the centroid, orthocentre, and circumcentre of a triangle, equation of the family of lines passing through the point of intersection of two lines.

**Circle, conic sections**

A standard form of equations of a circle, the general form of the equation of a circle, its radius and central, equation of a circle when the endpoints of a diameter are given, points of intersection of a line and a circle with the centre at the origin and condition for a line to be tangent to a circle, equation of the tangent, sections of conics, equations of conic sections (parabola, ellipse, and hyperbola) in standard forms, condition for Y = mx +c to be a tangent and point (s) of tangency.

**UNIT 12: THREE DIMENSIONAL GEOMETRY**

Coordinates of a point in space, the distance between two points, section formula, directions ratios, and direction cosines, the angle between two intersecting lines. Skew lines, the shortest distance between them, and its equation. Equations of a line and a plane in different forms, the intersection of a line and a plane, coplanar lines.

**UNIT 13: VECTOR ALGEBRA**

Vectors and scalars, the addition of vectors, components of a vector in two dimensions and three-dimensional space, scalar and vector products, scalar and vector triple product.

**UNIT 14: STATISTICS AND PROBABILITY**

Measures of discretion; calculation of mean, median, mode of grouped and ungrouped data calculation of standard deviation, variance and mean deviation for grouped and ungrouped data.

Probability: Probability of an event, addition and multiplication theorems of probability, Baye’s theorem, probability distribution of a random variate, Bernoulli trials, and binomial distribution.

**UNIT 15: TRIGONOMETRY**

Trigonometrical identities and equations, trigonometrical functions, inverse trigonometrical functions, and their properties, heights, and distance.

**UNIT 16: MATHEMATICAL REASONING**

Statement logical operations and, or, implies, implied by, if and only if, understanding of tautology, contradiction, converse, and contrapositive.