JEE Mains is the gateway to your dream NITs and a filter for choosing students to appear for IIT Advanced. Therefore, you must ace this exam even if your ultimate goal is to get into the top IITs. Acing JEE Mains means there exists a seat in a top NIT waiting for you. These give confidence to the candidate and a sense of safety while appearing for the JEE Advanced. To aid your revision, here is the JEE Mains chapter-wise weightage analysis covering the most important chapters for the 2026 January and April attempts.
List of important chapters for Mains (2026)
Physics
| High Output, Low Input (Must do) | High Output (Rewarding chapters) |
| Units and Dimensions | Optics |
| Errors | Rotational Motion |
| Modern Physics | Fluid Dynamics |
| Electromagnetic waves | Waves |
| KTG and thermodynamics | Electrostatics and Gravitation |
| Magnetism | Simple harmonic motion |
| Current Electricity | Newton’s Laws of Motion |
Chemistry (Physical Chemistry)
| High Output, Low Input (Must do) | High Output (Rewarding chapters) |
| Mole Concept | Thermodynamics |
| Chemical Kinetics | Electrochemistry |
| Atomic Structure | Redox reactions |
| Solutions | Chemical and Ionic Equilibrium |
Chemistry (Organic Chemistry)
Organic chemistry is not like other subjects. It needs to be studied in a perfect order. It’s advisable to follow a sequential order for maximum output.
IUPAC is a low-input, low-output chapter. However, it’s still advisable to practise.
GOC -> Hydrocarbons -> Haloalkanes and haloarenes -> Alcohol, Phenol, Ether -> Aldehyde, Ketone and acid -> Amines. Covering till Haloalkanes and haloarenes will help you fetch around 40-50 per cent of the organic chemistry portion in the exam. You should also practise questions in the priority order.
Sections of organic chemistry, like “IUPAC” and “Purification of organic compounds”, need less effort and are a common sight in exams. They require only 2–3 hours of preparation, yet they provide substantial support in strengthening your approach to questions involving the mole concept.
Chemistry (Inorganic chemistry)
Inorganic chemistry, unlike other subjects, demands some memorisation. This temporary pain is nothing compared to the free marks that can be obtained in one go. Here is a list based on the occurrence in the examination. It’s highly suggested to review all the chapters in the order below.
| Chapters | Nature of Chapter |
| Periodic Table | Holy Trinity(Constitutes a major portion of IOC as per the exam’s point of view) |
| Chemical Bonding | |
| Coordination Compound | |
| D and F block | High input and High output (Mostly conceptual questions are asked) |
| P Block | Low input and low output |
| Salt Analysis | High input but low output |
Mathematics
Mathematics is a practice-intensive subject. It’s highly suggested to have a thorough practice of a topic before moving on to the next. Here extent of practice matters more than the number of chapters covered superficially. Below are the blocks of chapters that are hot zones for your mains (2026). However, the order of practising and revising is not the same. You should revise in the order mentioned in your textbook. Concepts are linked like chains; one missing ring will lead to the collapse of the whole structure.
| Class XIth | Class XIIth | Remarks |
| Vector algebra | Sequence and series | Highly Probable |
| 3D geometry | Binomial Theorem | |
| Determinant | Straight Line | High input and high output |
| Matrices | Permutation and Combination | |
| Differential equations | Circle | Repetitive chapter |
| Definite integration | Quadratic Equation | Highly conceptual and requires much practice |
| Relation and function | Complex Numbers | |
| Application of Derivative | Statistics | Procedural Chapter |
| Limits | Parabola | High Input Low Output |
| Probability | Ellipse and Hyperbola | Less probable in the paper |
| Continuity and Differentiability | Trigonometry | |
| Methods of Differentiation | Solution of a Triangle | Least priority |
| Indefinite Integration | Basic Maths and log | |
| ITF | Trigonometric Ratios and Identities |
Study tips for these chapters
Moving on to the way of studying these subjects.
- Inorganic Chemistry: Memorise the topics every morning and every night. This will help you in achieving photographic memory while recalling the reactions during mid-exams.
- Physics: Before the practice session, go through the formula sheets and revise concepts. You will be able to solve problems smoothly.
- Organic Chemistry: Solve the main PYQ for practice and refer to notes only when you get stuck mid-question. This way of active recalling will help you retain reactions better.
- Physical Chemistry: Physical Chemistry is quite a blend of logic and calculations. Avoid using a calculator while studying. Practise more and more on these topics. If you have a lot of PC syllabus to cover, you might not be able to cover all the pyqs by solving one by one. I would suggest you keep the question and solution side by side. First, try to solve the question in your mind, try to generate a mental workflow of how you might approach the question and carve your way to a solution. If you can complete the roadmap, then move to the next problem. If you get stuck at some point, then refer solution and pinpoint the area which you missed. This not only saves time but also increases your productivity.
- Mathematics: You can opt for a similar approach for Maths, like in Physical Chemistry. If a high-profile chapter is not complete. Then, instead of completing the whole thing, pick topics which are hot spots in pyqs and cover those one by one.
How to use this priority order?
This list is based entirely on data from all main shifts from 2020 to 2025, providing a comprehensive JEE Mains chapter-wise weightage breakdown. You should first stand where you lie. If all your practice is complete, and you want to ace even further. You can revise the chapters in the priority order and side-by-side manage your mock papers. If you are roughly prepared but lack some revision, then you should first go through all the hot chapters for mains and cover up the ones remaining. Moving on, revise the chapters in a similar order and move forward. Attempt pyqs in the same order for question practice. If you have a lot of backlog and it feels impossible to catch up, then you should change your approach. Instead of running behind the whole chapter. Rather, chase topics within the chapters. Figure out the most repetitive topics from the pyqs and master those.
Also Read: Subject-Wise Tips for JEE – Physics, Chemistry, and Math
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