**JEE Main 2025 Important Dates**

Events | Tentative Dates |

JEE Main Registration Start Date | November 2024 |

JEE Main Registration End Date | December 2024 |

JEE Main Admit Card | 3 days before the exam |

JEE Main Exam Date | January and April 2025 |

JEE Main Results | One week after exam |

**JEE Main 2025 Syllabus**

**Physics**

###### Here is the topic wise syllabus for JEE Main 2025 Physics

**Unit 1: Physics and Measurement**

- Physics, technology, and society
- SI Units, fundamental and derived units
- Least count, accuracy, precision of measuring instruments
- Errors in measurement
- Dimensions of physical quantities, dimensional analysis, applications

**Unit 2: Kinematics**

- Frame of reference, motion in a straight line
- Positiontime graph, speed, velocity
- Uniform and nonuniform motion, average speed, instantaneous velocity
- Uniformly accelerated motion, velocitytime, positiontime graph
- 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
- Momentum, Newton’s Second Law, impulse
- Newton’s Third Law, conservation of linear momentum
- Equilibrium of concurrent forces, static and kinetic friction, rolling friction
- Dynamics of uniform circular motion, centripetal force, applications

**Unit 4: Work, Energy and Power**

- Work by constant and variable forces
- Kinetic and potential energies, workenergy theorem, power
- Potential energy of spring, conservation of mechanical energy
- Conservative and nonconservative forces, elastic and inelastic collisions

**Unit 5: Rotational Motion**

- Centre of mass of twoparticle system, rigid body
- Rotational motion basics, torque, angular momentum, conservation
- Moment of inertia, radius of gyration, parallel and perpendicular axes theorems

**Unit 6: Gravitation**

- Universal law of gravitation, acceleration due to gravity, variations
- Kepler’s laws, gravitational potential energy, potential
- Escape velocity, orbital velocity, geostationary satellites

**Unit 7: Properties of Solids and Liquids**

- Elastic behavior, stressstrain relationship, Hooke’s Law
- Moduli: Young’s, bulk, rigidity
- Pressure in fluids, Pascal’s law, viscosity, Stokes’ law, terminal velocity
- Streamline and turbulent flow, Reynolds number, Bernoulli’s principle
- Surface tension, angle of contact, capillarity
- Heat, temperature, thermal expansion, specific heat, calorimetry, heat transfer

**Unit 8: Thermodynamics**

- Thermal equilibrium, zeroth law, temperature concept
- Heat, work, internal energy, first law, second law
- Reversible and irreversible processes, Carnot engine efficiency

**Unit 9: Kinetic Theory of Gases**

- Equation of state, compressing gas work, kinetic theory assumptions
- Pressure concept, kinetic energy, temperature, RMS speed
- Degrees of freedom, law of equipartition, specific heat capacities, mean free path, Avogadro’s number

**Unit 10: Oscillation and Waves**

- Periodic motion, period, frequency, displacement
- Simple harmonic motion (SHM), energy in SHM, simple pendulum
- Free, forced, damped oscillations, resonance, wave motion
- Longitudinal and transverse waves, progressive wave displacement
- Superposition principle, wave reflection, standing waves, beats, Doppler Effect

**Unit 11: Electrostatics**

- Electric charges, conservation, Coulomb’s law
- Electric field, field lines, dipole, torque
- Gauss’s law, applications, electric potential, equipotential surfaces
- Conductors, insulators, dielectrics, capacitors, energy storage

**Unit 12: Current Electricity**

- Electric current, drift velocity, Ohm’s law, resistance
- VI characteristics, electrical energy, power, resistivity, color code
- Series and parallel resistors, temperature dependence
- Electric cells, internal resistance, potential difference, emf
- Kirchhoff’s laws, Wheatstone bridge, meter bridge, potentiometer

**Unit 13: Magnetic Effect of Current and Magnetism**

- BiotSavart law, Ampere’s law, force on moving charge, cyclotron
- Force on currentcarrying conductor, parallel currents, torque
- Moving coil galvanometer, magnetic dipole, Earth’s magnetic field
- Magnetic substances, hysteresis, electromagnets, permanent magnets

**Unit 14: Electromagnetic Induction and Alternating Current**

- Faraday’s law, Lenz’s law, eddy currents, self and mutual inductance
- Alternating currents, RMS value, reactance, impedance
- LCR series circuit, resonance, quality factor, AC generator, transformer

**Unit 15: Electromagnetic Waves**

- Characteristics, transverse nature, spectrum (radio to gamma rays)
- Applications of electromagnetic waves

**Unit 16: Optics**

- Reflection, refraction, mirror formula, total internal reflection
- Prism, lens formula, magnification, power, lens combination
- Microscope, telescope, wavefront, Huygens’ principle
- Interference, diffraction, resolving power, polarization, Brewster’s law

**Unit 17: Dual Nature of Matter and Radiation**

- Photoelectric effect, Einstein’s equation, matter waves, de Broglie relation
- DavissonGermer experiment

**Unit 18: Atoms and Nuclei**

- Rutherford’s model, Bohr model, energy levels, hydrogen spectrum
- Nucleus composition, radioactivity, decay law, massenergy relation
- Nuclear fission, fusion

**Unit 19: Electronic Devices**

- Semiconductors, diodes, rectifiers, LED, photodiode, solar cell, Zener diode
- Transistors, logic gates, amplifiers, oscillators, switches

**Chemistry**

###### The JEE Main 2025 Syllabus is divided into 3 sections: Physical Chemistry, Inorganic Chemistry and Organic Chemistry. The topic-wise JEE Main Syllabus 2025 for Chemistry are mentioned below-

**Unit 1: Some Basic Concepts in Chemistry**

- Matter and its nature, Dalton’s atomic theory: Concept of atom, molecule, element, and compound.
- Physical quantities and their measurements in Chemistry: Precision and accuracy, significant figures.
- S.I. Units, dimensional analysis: Laws of chemical combination; Atomic and molecular masses, mole concept, molar mass, percentage composition, empirical and molecular formulae, chemical equations, and stoichiometry.

**Unit 2: Atomic Structure**

- Thomson and Rutherford atomic models and their limitations.
- Nature of electromagnetic radiation, photoelectric effect; Spectrum of the hydrogen atom.
- Bohr model of a hydrogen atom: Postulates, energy of the electron, radii of orbits, limitations.
- Dual nature of matter, de Broglie’s relationship, Heisenberg uncertainty principle.
- Quantum mechanical model of the atom: Atomic orbitals, quantum numbers, electron configurations, stability of half-filled and completely filled orbitals.

**Unit 3: Chemical Bonding and Molecular Structure**

- Kossel-Lewis approach: Ionic and covalent bonds.
- Ionic Bonding: Factors, lattice enthalpy.
- Covalent Bonding: Electronegativity, Fajan’s rule, dipole moment, VSEPR theory, hybridization, resonance, Molecular Orbital Theory.
- Metallic bonding, hydrogen bonding, and applications.

**Unit 4: Chemical Thermodynamics**

- Fundamentals: System, surroundings, properties, state functions, types of processes.
- First law: Work, heat, internal energy, enthalpy, heat capacity.
- Hess’s law, bond dissociation, combustion, formation, sublimation, phase transition, hydration, ionization, solution enthalpies.
- Second law: Spontaneity, entropy, Gibbs energy, equilibrium constant.

**Unit 5: Solutions**

- Concentration: Molality, molarity, mole fraction, percentage composition.
- Vapour pressure: Raoult’s Law, ideal and non-ideal solutions.
- Colligative properties: Relative lowering of vapour pressure, freezing point depression, boiling point elevation, osmotic pressure.
- Molecular mass determination, van’t Hoff factor.

**Unit 6: Equilibrium**

- Dynamic equilibrium: Physical and chemical processes, Henry’s law, Le Chatelier’s principle.
- Chemical equilibrium: Kp, Kc, Gibbs energy.
- Ionic equilibrium: Electrolytes, acids and bases, pH scale, solubility product, buffer solutions.

**Unit 7: Redox Reactions and Electrochemistry**

- Redox reactions: Oxidation numbers, balancing.
- Electrolytic and metallic conduction: Molar conductivities, Kohlrausch’s law.
- Electrochemical cells: Galvanic cells, electrode potentials, Nernst equation, dry cell, lead accumulator, fuel cells.

**Unit 8: Chemical Kinetics**

- Reaction rate: Factors, elementary and complex reactions, rate law, Arrhenius theory, activation energy, collision theory.

**Inorganic Chemistry** **Unit 9: Classification of Elements and Periodicity in Properties**

- Modern periodic law, s, p, d, and f block elements, periodic trends: Atomic and ionic radii, ionization enthalpy, electron gain enthalpy, valence, oxidation states, chemical reactivity.

**Unit 10: p-Block Elements**

- Group 13 to Group 18 elements: General trends, preparation, properties, uses of compounds like borax, boric acid, diborane, aluminum chloride, silicates, zeolites, silicones, nitrogen, phosphorus, ammonia, nitric acid, sulfuric acid, interhalogen compounds, and oxoacids.

**Unit 11: d- and f-Block Elements**

- Transition elements: General characteristics, preparation, properties, uses of K2Cr2O7 and KMnO4.
- Inner transition elements: Lanthanoids, actinoids.

**Unit 12: Coordination Compounds**

- Werner’s theory, ligands, coordination number, isomerism, bonding theories, importance in analysis, and biological systems.

**Organic Chemistry** **Unit 13: Purification and Characterization of Organic Compounds**

- Purification techniques, qualitative and quantitative analysis, empirical and molecular formulae.

**Unit 14: Some Basic Principles of Organic Chemistry**

- Tetravalency, hybridization, classification, homologous series, isomerism, nomenclature, bond fission, electronic effects, reaction types.

**Unit 15: Hydrocarbons**

- Alkanes, alkenes, alkynes: Nomenclature, preparation, properties, reactions, isomerism, aromatic hydrocarbons.

**Unit 16: Organic Compounds Containing Halogen**

- Preparation, properties, substitution reactions, environmental effects of chloroform, iodoform, freons, DDT.

**Unit 17: Organic Compounds Containing Oxygen**

- Alcohols, phenols, ethers: Preparation, properties, reactions, uses.
- Aldehydes and ketones: Reactions, chemical tests.
- Carboxylic acids: Acidic strength.

**Unit 18: Organic Compounds Containing Nitrogen**

- Amines: Nomenclature, properties, reactions.
- Diazonium salts: Importance in synthesis.

**Unit 19: Biomolecules**

- Carbohydrates, proteins, vitamins, nucleic acids: Classification, structure, function.

**Unit 20: Principles Related to Practical Chemistry**

- Detection of elements, functional groups in organic compounds.
- Preparation of inorganic and organic compounds.
- Titrimetric exercises, qualitative salt analysis, enthalpy experiments, preparation of sols, kinetic studies.

**Mathematics**

###### The JEE Main 2025 Mathematics Syllabus has 16 units altogether and covers subjects from the usual class 11 and 12 syllabus.

**Unit 1: Sets, Relations, and Functions**

- Sets: Definition, representation, union, intersection, complement, and algebraic properties; Power set.
- Relations: Types, equivalence relations.
- Functions: One-one, onto, and into functions; Composition of functions.

**Unit 2: Complex Numbers and Quadratic Equations**

- Complex Numbers: Ordered pairs of reals, representation a+iba + iba+ib, Argand diagram, modulus, argument, algebra, square roots, triangle inequality.
- Quadratic Equations: Solutions in real and complex systems, relations between roots and coefficients, nature of roots, forming quadratic equations from given roots.

**Unit 3: Matrices and Determinants**

- Matrices: Definition, types, algebra, determinants (order 2 and 3), properties, evaluation.
- Applications: Area of triangles, adjoint, inverse of square matrices, elementary transformations.
- Linear Equations: Consistency tests and solutions using matrices and determinants.

**Unit 4: Permutation and Combination**

- Counting Principle: Fundamental principle, permutation, and combination definitions.
- Applications: P(n,r) and C(n,r), simple applications.

**Unit 5: Binomial Theorem and its Simple Applications**

- Theorem: Positive integral index, general term, middle term, binomial coefficients, properties.
- Applications: Simple applications of the binomial theorem.

**Unit 6: Sequence and Series**

- Progressions: Arithmetic and geometric progressions.
- Means: Insertion of arithmetic and geometric means.
- Special Series: Sums SnS_nSn, Sn2S_{n^2}Sn2, Sn3S_{n^3}Sn3, arithmetic-geometric progression.

**Unit 7: Limit, Continuity, and Differentiability**

- Functions: Real-valued functions, algebra, polynomials, rational, trigonometric, logarithmic, exponential, inverse functions, graphs.
- Calculus: Limits, continuity, differentiability, differentiation (sum, difference, product, quotient), trigonometric, inverse trigonometric, logarithmic, exponential, composite, implicit functions.
- Theorems: Rolle’s, Lagrange’s Mean Value Theorem.
- Applications: Rate of change, monotonic functions, maxima, minima, tangents, normals.

**Unit 8: Integral Calculus**

- Integration: Anti-derivative, fundamental integrals, techniques (substitution, parts, partial fractions, trigonometric identities).
- Definite Integrals: Properties, evaluation, area determination.
- Theorems: Fundamental theorem of calculus.

**Unit 9: Differential Equations**

- Ordinary Differential Equations: Order, degree, formation, solutions (separation of variables, homogeneous, linear differential equations).

**Unit 10: Co-ordinate Geometry**

- Cartesian Plane: Coordinates, distance formula, section formula, locus, translation of axes, slope, parallel/perpendicular lines, intercepts.
- Lines: Equations, intersections, angles, concurrence, point-line distance, bisectors, centroids, ortho centres, circumcentres, family of lines.
- Circle: Standard and general forms, radius, center, diameter endpoints, line-circle intersections, tangents.
- Conic Sections: Parabola, ellipse, hyperbola equations, tangents.

**Unit 11: Three-Dimensional Geometry**

- Points in Space: Coordinates, distance, section formula, direction ratios/cosines, angle between lines.
- Skew Lines: Shortest distance, equations.
- Lines and Planes: Equations, intersections, coplanarity.

**Unit 12: Vector Algebra**

- Vectors and Scalars: Definitions, addition, components (2D and 3D), scalar and vector products, triple products.

**Unit 13: Statistics and Probability**

- Statistics: Measures of dispersion (mean, median, mode, standard deviation, variance, mean deviation for grouped and ungrouped data).
- Probability: Definitions, theorems (addition, multiplication, Bayes’), distributions (random variable, Bernoulli trials, binomial distribution).

**Unit 14: Trigonometry**

- Identities and Equations: Trigonometric identities, equations.
- Functions: Trigonometric and inverse trigonometric functions, properties.
- Applications: Heights and distances.