When preparing for JEE, focusing on high weightage topics is crucial for maximizing your score. Certain subjects and chapters are more important due to the number of questions they carry in the exam. In this guide, we have highlighted the high weightage topic for JEE for the subjects Physics, Chemistry, and Mathematics. By understanding the most important areas of study, you can effectively segregate your preparation time and boost your chances of success.
High Weightage Topic for JEE – An Overview
| Subject | High Weightage Topic |
| Physics | MechanicsElectrodynamicsThermodynamicsOpticsCurrent ElectricityElectromagnetic InductionAlternating Current |
| Chemistry | Physical Chemistry – Thermodynamics, Chemical Equilibrium, StoichiometryInorganic Chemistry – p-Block Elements, s-Block ElementsOrganic Chemistry – Benzene, Alkanes, Alkenes, Alkynes |
| Mathematics | CalculusAlgebraCoordinate GeometryProbabilitySetsRelations and FunctionsDifferential EquationsMatrices |
JEE Mains Subject – Overall Weightage
| Subject | Overall Weightage in Percentage (2025) | Overall Weightage in Percentage (Previous Years) |
| Physics | 22.50% | 25% |
| Chemistry | 22.50% | 25% |
| Mathematics | 35% | 30% |
Analysis:
In 2025, the weightage of subjects in JEE Main has seen some shifts compared to previous years. Physics and Chemistry both have a weightage of 22.5% in 2025, slightly lower than the 25% they had in previous years, indicating a small reduction in their importance. On the other hand, Mathematics has seen an increase, with a weightage of 35% in 2025, up from 30% in previous years, making it the most important subject in the upcoming exam. This shift shows that Mathematics will have more questions, while Physics and Chemistry will have less questions.
Physics High Weightage Topic for JEE
The table below gives detailed information on the Physics topics in the JEE Main 2025 syllabus, the weightage of each topic in the exam, and the number of questions likely to be asked from each topic. Current Electricity
is the most important, making up almost 9.90% of the exam. Focus on understanding Magnetic Effect of Current and Magnetism,bModern Physics and Rotational Dynamics. There will be around 14 questions relating to topics like Kinetic Theory of Gases & Thermodynamics, Alternating Current, Work, Energy, and Power, Centre of Mass, Kinematics, Wave Optics, and Law of Motion, so pay attention to these as well.
| Topics | Weightage | No. of Questions |
| Current Electricity | 9.90% | 3 |
| Magnetic Effect of Current and Magnetism | 6.60% | 2 |
| Modern Physics | 6.60% | 2 |
| Rotational Dynamics | 6.60% | 2 |
| Kinetic Theory of Gases & Thermodynamics | 6.60% | 2 |
| Alternating Current | 6.60% | 2 |
| Work, Energy, and Power | 6.60% | 2 |
| Centre Of Mass | 6.60% | 2 |
| Kinematics | 6.60% | 2 |
| Wave Optics | 6.60% | 2 |
| Law of Motion | 6.60% | 2 |
| Semiconductors | 3.30% | 1 |
| Sound Waves | 3.30% | 1 |
| Error in Measurement | 3.30% | 1 |
| Electromagnetic Waves | 3.30% | 1 |
| Capacitors | 3.30% | 1 |
| Elasticity | 3.30% | 1 |
| Electrostatics | 3.30% | 1 |
| Circular Motion | 3.30% | 1 |
| Simple Harmonic Motion | 3.30% | 1 |
Chemistry High Weightage Topic for JEE
The table below shows the weightage and the number of questions from each Chemistry topic in JEE Main 2025. The Periodic Table and p-Block Elements, and Transition Elements & Coordination Compounds each carry 9.90% weightage, with 3 questions from each. Nuclear & Environmental Chemistry, Chemical and Ionic Equilibrium, Atomic Structure, Chemical Bonding, Thermodynamics & the Gaseous State, Solid-State and Surface Chemistry, and Carboxylic Acids & their Derivatives all have a weightage of 6.60% and about 2 questions each. Topics like Chemical Kinetics, Alkyl Halides, Mole Concept, Electrochemistry, Aromatic Compounds, Redox Reactions, Solution & Colligative Properties, Carbohydrates, Amino Acids, Polymers, Stereochemistry, Hydrocarbons, and General Organic Chemistry have a weightage of 3.30%, with 1 question from each.
| Topics | Weightage | No. of Questions |
| Periodic table, p-Block Elements | 9.90% | 3 |
| Transition Elements & Coordination Compounds | 9.90% | 3 |
| Nuclear & Environmental Chemistry | 6.60% | 2 |
| Chemical And Ionic Equilibrium | 6.60% | 2 |
| Atomic Structure | 6.60% | 2 |
| Chemical Bonding | 6.60% | 2 |
| Thermodynamics & the Gaseous State | 6.60% | 2 |
| Chemical Kinetics | 3.30% | 1 |
| Alkyl Halides | 3.30% | 1 |
| Mole Concept | 3.30% | 1 |
| Carboxylic Acids & their Derivatives | 6.60% | 1 |
| Electrochemistry | 3.30% | 1 |
| Aromatic Compounds | 6.60% | 1 |
| Redox Reactions | 3.30% | 1 |
| Solution & Colligative Properties | 3.30% | 1 |
| Carbohydrates, amino acids, and Polymers | 6.60% | 1 |
| Stereochemistry | 3.30% | 1 |
| Hydrocarbon | 3.30% | 1 |
| General Organic Chemistry | 3.30% | 1 |
Mathematics High Weightage Topic for JEE
In JEE Main 2025, Maths topics are divided based on their importance and weightage. Calculus is the most important, with 25% of the weightage, covering differentiation, integration, and their applications. Algebra and Coordinate Geometry follow closely, requiring practice with equations, inequalities, and understanding conic sections. Vectors and 3D Geometry topics make up around 15%, focusing on vector operations and spatial reasoning. Sets, Relations, and Functions account for 12% all together, covering basic concepts in set theory and functions. Finally, Differential Equations and Matrices each carry around 10%, so mastering these topics with regular practice is key to doing well in the exam.
| Topics | Weightage | No. of Questions |
| Coordinate Geometry | 16.6% | 5 |
| 3-D Geometry | 6.60% | 2 |
| Straight Lines | 6.60% | 2 |
| Determinants | 6.60% | 2 |
| Sequences & Series | 6.60% | 2 |
| Probability | 3.30% | 1 |
| Limits | 3.30% | 1 |
| Differentiability | 3.30% | 1 |
| Definite Integration | 3.30% | 1 |
| Indefinite Integration | 3.30% | 1 |
| Height & Distance | 3.30% | 1 |
| Permutations & Combinations | 3.30% | 1 |
| Area under the Curve | 3.30% | 1 |
| Tangents and Normals | 3.30% | 1 |
| Parabola | 3.30% | 1 |
| Hyperbola | 3.30% | 1 |
| Complex Numbers | 3.30% | 1 |
| Binomial Theorem | 3.30% | 1 |
| Ellipse | 3.30% | 1 |
| Sets | 3.30% | 1 |
| Maxima and Minima | 3.30% | 1 |
| Quadratic Equations | 3.30% | 1 |
| Differential Equations | 3.30% | 1 |
| Statistics | 3.30% | 1 |
| Trigonometric Equations | 3.30% | 1 |
| Vectors | 3.30% | 1 |
High Weightage Topic for JEE FAQs
Current Electricity, Magnetic Effect of Current and Magnetism, Modern Physics, Rotational Dynamics Kinetic Theory of Gases & Thermodynamics, Alternating Current, Work, Energy, and Power, Centre of Mass, Kinematics, Wave Optics, Law of Motion and Semiconductors are the high weightage topic for JEE Mains Physics.
Mechanics, Electrodynamics, Thermodynamics, Optics, Current Electricity, Electromagnetic Induction, Alternating Current , Physical Chemistry (Thermodynamics, Chemical Equilibrium, Stoichiometry), Inorganic Chemistry (p-Block Elements, s-Block Elements), Organic Chemistry (Benzene, Alkanes, Alkenes, Alkynes), Calculus, Algebra, Coordinate Geometry, Probability, Sets, Relations and Functions, Differential Equations and Matrices are high weightage chapters for JEE Mains 2025.
Periodic table, p-Block Elements, Transition Elements & Coordination Compounds, Nuclear & Environmental Chemistry, Chemical and Ionic Equilibrium, Atomic Structure, Chemical Bonding, Thermodynamics & the Gaseous State, Solid-State And Surface Chemistry are the most weightage chapters for JEE Mains Chemistry.
Yes, here is the list the most weightage chapters for JEE Mains Maths – Coordinate Geometry with 16.6% weightage and 3-D Geometry, Straight Lines, Determinants and Sequences & Series with 6.60% weightage.