JEE Main 2025: High-weightage Chapters in Physics, Chemistry and Mathematics 

 

Do not worry we have got you covered! Having a grip on the important chapters ensures that you get the necessary boost to your JEE score. In this guide, you will discover the high-weightage chapters as well as topics from the different subjects present in the JEE Main syllabus. 

What are the Important Chapters for Physics Under JEE Main 2025 Syllabus?

Here is a table highlighting the chapters in Physics under JEE Syllabus 2025 that have high weightage:

Chapters	Number of Questions	Marks	Weightage
Modern Physics	5	20	15.9%
Current Electricity	3	12	9.9%
Electrostatics	3	12	9.9%
Heat and Thermodynamics	3	12	9.9%
Optics	3	12	9.9%
Magnetic Effect of Current and Magnetism	2	8	6.6%

Now, let us understand what are the important topics to be covered in Physics. The following table presents a comprehensive overview of the essential topics to be covered for JEE Main syllabus:

Chapters	Topics
Modern Physics	Bohr H atom Photoelectric effect Nuclear Physics De Broglie wavelength
Current Electricity	Metre Bridge Colour Code of Carbon Resistor Wheatstone Bridge Ohm’s Law and Temperature Dependence on Resistivity Grouping of Resistors Grouping of Cells Electric Current Density and Drift Velocity Kirchhoff’s Law Potentiometer
Electrostatics	Electrostatic Equilibrium Electric Potential Energy Image Charges Electric Dipole Gauss’s Law Capacitors and Capacitance Conductors and Insulators Electric Potential Energy Continuous Charge Distribution
Heat and Thermodynamics	KTG & Thermodynamics Calorimetry & Thermal Expansion
Optics	Young’s double-slit experiment Reflection and refraction Wavefront and Huygens’ principle Polarisation Brewster’s law
Magnetic Effect of Current and Magnetism	Electromagnetic induction Kirchhoff’s laws Biot–Savart’s law  Ampere’s law

What are the Important Chapters for Chemistry Under JEE Main Syllabus?

This table outlines the high-weightage Chemistry chapters within the JEE Main Syllabus 2025:

Chapters	Number of Questions	Marks	Weightage
Classification of Elements and Periodic Table	3	14	9.9%
Transition Elements and Coordinate Geometry	3	14	9.9%
Atomic Structure	2	8	6.6%
Chemical Bonding	2	8	6.6%
Chemical and Ionic Equilibrium	2	8	6.6%
Thermodynamics and Gaseous State	2	8	6.6%
Nuclear Chemistry and Environment	2	8	6.6%
Solid-State and Surface Chemistry	2	8	6.6%

After learning the important chapters in Chemistry, let us understand the important topics to be covered under these chapters. Here is a table covering all the essential topics:

Chapters	Topics
Classification of Elements and Periodic Table	Long Form of Modern Periodic Table Classification of Element: s Block Ionisation Enthalpy of Ionisation Potential Atomic Radius of Elements Variation of Atomic Radii and Ionic Radii
Transition Elements and Coordinate Compounds	Anomalous Behaviour of Lithium Ionisation Energy Screening Effect and Lanthanoid Contraction Sodium Chloride and Sodium Hydroxide Halides of Alkali Metals Atomic Size/Radii Magnetic Properties and Character Oxidation State Chemical Properties of Alkali Metals 1&2 Oxidation and Coordination Number Ligands and Their Types Terms Related to Coordination Compounds Additional Compounds of Molecular Compounds
Atomic Structure	De Broglie Wavelength Radius, Velocity, and Energy of nth Bohr Orbital Photoelectric Effect, Line Spectrum of Hydrogen Heisenberg’s Principle of Uncertainty
Chemical Bonding	Fajan’s Rule and Covalent Character in Covalent Bond Bonding of p?-p? and p?-d? Lewis Structure Limitation of Octet Rule Bond Parameters: length, angle, energy, strength
Chemical and Ionic Equilibrium	Le Chatelier’s Principle Chemical Equilibrium Law of Mass Action Heterogeneous Equilibria Equilibrium Constant (K) Acid-Base Equilibrium Calculation of Equilibrium Concentrations Factors Affecting Equilibrium Solubility Equilibrium Ionic Equilibria
Thermodynamics and Gaseous State	Laws of thermodynamics Entropy Enthalpy
Nuclear and Environmental Chemistry	Nuclear Reactions  Types of Radiations Green Chemistry Environmental Impact Assessment Sustainable Development Methods for Controlling Pollution Effects of Pollutants on the Environment Pollutants
Solid-State and Surface Chemistry	Surface Tension Surface Modification Langmuir Isotherms Self-Assembly Solid-Gas Interfaces Adsorption Heterogeneous Catalysis Electrochemistry at Interfaces Nanomaterials and Nanoscale Surface Chemistry Surface Characterization Techniques Catalysis Monolayers and Multilayers Colloids and Surface Phenomena Solid-Liquid Interfaces Surface Reaction Kinetics

What are the Important Chapters for Mathematics under JEE Main Syllabus?

The table below covers JEE Main 2025 chapter-wise weightage for Mathematics subject:

Chapters	Number of Questions	Marks	Weightage
Coordinate Geometry	5	20	15.9%
Integral Calculus	3	12	9.9%
Limits, Continuity and Differentiability	3	12	9.9%
Matrices and Determinants	2	8	6.6%
Three Dimensional Geometry	2	8	6.6%
Vector Algebra	2	8	6.6%
Complex Numbers and Quadratic Equations	2	8	6.6%
Statistics and Probability	2	8	6.6%

The following is a table showcasing the vital topics under the above-mentioned Maths chapters:

Chapters	Topics
Coordinate Geometry	Centre Distance between Two Points Coordinate Axes Incentre Section Formula Centroid
Integral Calculus	Integration as Reverse Process of Differentiation Some Special Integration Integration by Parts Fundamental Formulae of Indefinite Integration (trigonometric functions) Application of Special Integration Formula
Limits, Continuity and Differentiability	Trigonometric Units Algebra of Limits Limit of Algebraic Function Limit of Indeterminate Form and Algebraic Limit Algebraic Function of type ‘infinity
Matrices and Determinants	Matrices Matrix Order Row and Column Matrices Matrix Properties Matrix Multiplication Properties of Matrix Multiplication Transpose of a Matrix Transpose Conjugate of a Matrix
Three Dimensional Geometry	Section Formula Direction Cosines and Direction Ratio Shortest Distance between Two Lines Equations for a Line in Space Angle Between Two Lines Introduction to 3D Coordinate System
Vector Algebra	Equations for a Line in Space Shortest Distance between Two Lines Scalar Triple Products Section Formula Angle Between Two Lines Vector Triple Products Direction Cosines and Direction Ratio
Complex Numbers and Quadratic Equations	Euler Form of Complex Number Iota and Powers of Iota Modulus of Complex Numbers and Their Properties Complex Numbers and Euler Form of Complex Number Conjugate of Complex Numbers and Their Properties
Statistics and Probability	Mean, Median, and Mode Mean Deviation and Standard Deviation Variance Range

Thus, by going through the above-mentioned high-weightage chapters and essential topics in Physics, Chemistry, and Maths under the JEE Main syllabus of 2025 you will have a solid foundation for your preparation. Make sure to master these key areas to increase your chances of success in the upcoming JEE Main exam.

 

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