JEE Main 2026: Most Important Chapters and Topics for Physics, Chemistry, and Mathematics
As JEE Main 2026 is fast approaching, many aspirants are time-bound to finish the vast syllabus, apply problem-solving methods efficiently, and to be accurate. With such stiff competition, it is common to feel to feel overwhelmed. But what if you could be able to study smart, not hard?
The first step in achieving this is by aiming for the most important chapters, or chapters of the syllabus that have historically held maximum weightage, as presented in previous years’ question papers. So if you are limited for time, or are revising in the weeks leading up to the exam, targeting this material is much more likely to help with your success rate and all India Rank (AIR).
Let’s look into the most important chapters and topics to be studied for Physics, Chemistry, and Maths for JEE Main 2026, including detail on subject wise weightage and insights from the experts.
JEE Main 2026 Important Chapters & Topics for Physics
Physics is an area that generates fear in a lot of aspirants, and this is not for no reason since physics requires a background knowledge of its concepts and then requires a skill set to perform all types of numerical in the problem-solving context. After focusing on many high weightage topics or sections, Physics has the potential to change to a scoring subject.
| High Weightage | Low Weightage |
| Heat & Thermodynamics | Heat Transfer |
| Ray Optics | Fluids |
| Electromagnetic Waves | Nuclear Physics & X-Rays |
| Semiconductors | Work, Energy & Power |
| Error & Instrument Analysis | Units & Measurements |
| Gravitation | Dual Nature of Matter & Radiation |
| Wave Optics | Circular Motion |
| Photoelectric Effect | Center of Mass & Collisions |
| Oscillations | Communication Systems |
| Electromagnetic Induction & Alternating Current | Laws of Motion |
| Rotation | |
| Kinematics | |
| Electrostatics | |
| Current Electricity & Capacitors | |
| Properties of Matter | |
| Magnetic Effects of Current & Magnetism | |
| Bohr’s Atomic Model | |
| Waves & Sound |
Mathematics: JEE Main 2026 Most Important Chapters
Success in the JEE Main Maths section is not simply a matter of doing problems but knowing which topics to target for the maximum return on investment. Certain chapters have consistently had heavier weights in past exams, as well as been shown to have more frequent question. By determining these topics, students are able to focus on these high yield areas of study and make the most of their revision time to increase their chances of achieving a desirable score.
| High Weightage | Low Weightage |
| 3 Dimensional Geometry | Differential Equation |
| Vectors | Differentiation |
| Determinant & Matrices | Trigonometric Equation |
| Sequence & Series | Statistics |
| Straight Line | Mathematical Logic |
| Circle | Set & Relation |
| Probability Distribution (Binomial Mean & Variance) | Height & Distance |
| Definite Integral & Area Under the Curve | Trigonometric Ratio & Functions |
| Limits, Continuity & Differentiability | Properties of Triangle |
| Functions | Permutation & Combination |
| Application of Derivatives | Indefinite Integral |
| Conic Sections | |
| Complex Number | |
| Quadratic Equation | |
| Binomial Theorem & M. I. |
Chemistry: JEE Main 2026 Most Important Chapters
Chemistry is usually deemed the most scoring subject of the three subjects. It has a fair mix of theory and numericals too. Separate your preparation according to Physical, Organic, and Inorganic Chemistry so it is easier to manage.
| High Weightage | Low Weightage |
| Atomic Structure | Chemical Equilibrium |
| Gaseous & Liquid State | Redox & Volumetric Analysis |
| Electrochemistry | Solutions |
| Chemical Kinetics | Metallurgy |
| Nuclear & Surface Chemistry | Qualitative Analysis |
| Chemical Bonding | Hydrocarbons |
| d-Block Elements | Mole Concept |
| Co-ordination Compound | Ionic Equilibrium |
| Alkyl Halides | Solid State |
| Aromatic Compounds | s-Block Elements |
| Thermodynamics | Periodic Classification |
| p-Block Elements | Classification & Nomenclature |
| General Organic Chemistry | Alcohol & Ether |
| Isomerism | Nitrogen Compounds & Aliphatic Amines |
| Aldehydes and Ketones | Biomolecules & Polymers |
| Carboxylic Acids & Its Derivatives |
Topic-Wise Distribution in JEE Main 2026
It is essential to know the importance of individual chapters for focused preparation. It is recommended that students focus more on higher-weightage topics to help achieve higher performance. The data is based on analyzing previous years’ JEE Main question papers and is intended to provide an idea of how questions appear.
Topic-wise weightage in JEE Main: Physics
| Chapters | Total Questions | Weightage | |
| Percentage | Marks | ||
| Modern Physics | 5 | 16.50% | 20 |
| Optics | 3 | 9.90% | 12 |
| Heat and Thermodynamics | 3 | 9.90% | 12 |
| Electrostatics | 3 | 9.90% | 12 |
| Current Electricity | 3 | 9.90% | 12 |
| Magnetics | 2 | 6.60% | 8 |
| Simple Harmonic Motion | 1 | 3.30% | 4 |
| Waves | 1 | 3.30% | 4 |
| Laws of Motion | 1 | 3.30% | 4 |
| Rotational | 1 | 3.30% | 4 |
| Work, Energy, and Power | 1 | 3.30% | 4 |
| Centre Of Mass, Impluse and Momentum | 1 | 3.30% | 4 |
| Electromagnetics Induction | 1 | 3.30% | 4 |
| Unit, Dimension, and Vector | 1 | 3.30% | 4 |
| Kinematics | 1 | 3.30% | 4 |
| Gravitation | 1 | 3.30% | 4 |
| Solids and Fluids | 1 | 3.30% | 4 |
Topic-wise weightage in JEE Main: Chemistry
| Chapters | Total Questions | Weightage | |
| Percentage | Marks | ||
| Transition Elements and Coordination Chemistry | 3 | 9.90% | 12 |
| The periodic table and Representative Elements | 3 | 9.90% | 12 |
| Atomic Structure | 2 | 6.60% | 8 |
| Chemical Bonding | 2 | 6.60% | 8 |
| Nuclear Chemistry And Environment | 2 | 6.60% | 8 |
| Solid-State And Surface Chemistry | 2 | 6.60% | 8 |
| Chemical And Ionic Equilibrium | 2 | 6.60% | 8 |
| Thermodynamics And Gaseous State | 2 | 6.60% | 8 |
| Electrochemistry | 1 | 3.30% | 4 |
| Redox Reaction | 1 | 3.30% | 4 |
| Carboxylic Acid and their Derivatives | 1 | 3.30% | 4 |
| Chemical Kinetics | 1 | 3.30% | 4 |
| Carbohydrate, Amino Acid and Polymers | 1 | 3.30% | 4 |
| General Organic Chemistry | 1 | 3.30% | 4 |
| Alkyl Halides | 1 | 3.30% | 4 |
| Hydrocarbon | 1 | 3.30% | 4 |
| Mole Concept | 1 | 3.30% | 4 |
| Aromatic Compound | 1 | 3.30% | 4 |
| Stereochemistry | 1 | 3.30% | 4 |
| Solution and Colligative Properties | 1 | 3.30% | 4 |
Topic-wise weightage in JEE Main: Maths
| Chapters | Total Questions | Weightage | |
| Percentage | Marks | ||
| Integral Calculus | 3 | 9.90% | 12 |
| Limits, Continuity and Differentiability | 3 | 9.90% | 12 |
| Coordinate Geometry | 3 | 9.90% | 12 |
| Vector Algebra | 2 | 6.60% | 8 |
| Complex numbers and Quadratic Equation | 2 | 6.60% | 8 |
| Statistics and Probability | 2 | 6.60% | 8 |
| Matrices and Determinants | 2 | 6.60% | 8 |
| Three Dimensional Geometry | 2 | 6.60% | 8 |
| Mathematical Reasoning | 1 | 3.30% | 4 |
| Binomial Theorem and Its Application | 1 | 3.30% | 4 |
| Statics and Dynamics | 1 | 3.30% | 4 |
| Sequence and Series | 1 | 3.30% | 4 |
| Permutation and Combinations | 1 | 3.30% | 4 |
| Sets, Relation and Function | 1 | 3.30% | 4 |
| Differential Calculus | 1 | 3.30% | 4 |
| Differential Equation | 1 | 3.30% | 4 |
| Trigonometry | 1 | 3.30% | 4 |
Strategy Tips for Final Month Preparation
- Prioritize revising important chapters: Refer to the high-weightage list above.
- Practice PYQs (previous year questions): This will help you identify trends in questioning.
- Mock tests: Take 1 full-length mock test every second day.
- Time management: Use 3-4 hours per subject per day.
- Focus on accuracy instead of trying to attempt everything.
- Use NCERT for Chemistry: Particularly useful for Inorganic.
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