Important Do or Die Chapters and Topics for JEE Mains 2026 Preparation
Joint Entrance Exam (JEE) Main 2026 ( JEE Main )
Registration - 12 Mar '26 - 13 Mar '26
JEE Main 2026 exam will be held in two sessions in January and April. To be among the top scorers of the JEE Mains exam is the dream of every engineering aspirant. However, with the huge JEE Main syllabus, many students find it difficult to cover each topic from all three subjects. To help candidates with their preparation, we have compiled a list of "Do or Die chapters for NTA JEE Mains 2026" that can be considered the most important chapters/topics from the exam point of view.
The list of important topics for JEE Main 2026 can be segregated into two parts: low-weightage and high-weightage topics from Physics, Chemistry, and Mathematics. The analysis provided below has been done after recommendations from various experts and based on the previous year JEE Main question papers. JEE Main exam is organized by National Testing Agency (NTA) every year for admission to NITs, IIITs, CFTIs, and SPAs of India.
Read More: JEE Main 2023 Question Paper with Answer Key PDF Download
| JEE Main 2026 Exam Date | JEE Main Application Form 2026 |
| JEE Main Exam Pattern 2026 | JEE Main Syllabus 2026 |
- How to Prepare for JEE Main 2026 Physics, Chemistry, and Mathematics?
- Important Chapters for JEE Main 2026
- FAQs related to JEE Main Do or Die Chapters
How to Prepare for JEE Main 2026 Physics, Chemistry, and Mathematics?
JEE Main 2026 Physics Paper
Below are the few points that the candidates must note while preparing for JEE Main 2026 Physics paper.
- Candidates must study all the topics which are mentioned in the JEE Main syllabus Thoroughly with special attention to "Physical Quantities" and "Vector treatment".
- According to the experts, questions from semiconductor devices, electromagnetic waves, communication systems, etc are usually simple and straightforward. A thorough understanding of NCERT textbooks on such topics is usually sufficient to solve questions in JEE Main.
JEE Main 2026 Chemistry Paper
The Chemistry paper is divided into three sections: Physical, Organic, and Inorganic. Check some important points to be noted while preparing:
- In physical chemistry, candidates must keep a note of all formulas related to atomic structure, ionic equilibrium, solid-state, electrochemistry and thermos chemistry, etc.
- Inorganic chemistry candidates must focus on reactions that they have come across and their mechanisms.
- Experts suggest that in in-organic chemistry candidates must ensure to learn the formulas or ores and composition of alloys which are often asked in objective type questions.
JEE Main 2026 Mathematic Paper
Mathematics experts have suggested the following points to score higher marks in the paper:
- A list of Formulae and important concepts must be kept in handy
- A good number of questions are expected from Co-ordinate Geometry, Algebra, Trigonometry, Calculus, Vector, and 3-D Geometry in the examinations
| JEE Main Mock Test 2026 | JEE Main 2026 Preparation Tips |
Commonly asked questions
The difficulty level of JEE Main 2025 April 2 shift 1 exam will be available after the exam concludes. Shiksha will provide the difficulty level and JEE Main paper analysis, students reaction based on feedback from students who are appearing in the exam.
As per students who appeared in JEE Main 2024 session 1 exam, and the subject experts from various coaching institutes - January 29 shift 1 paper was the toughest in comparison to other shift papers. Many students also found January 27 shift 2 exam difficult.
However, students must note that JEE Main question papers are set at similar difficulty level for all shifts and sessions. There may come a few questions with difficulty level higher than the other.
The JoSAA 2026 choice filling window will open with the registration window in June 2026. Candidates will be able to register and then fill the choices of courses and colleges based on their JEE Main/Advanced ranks and category.
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27 Jan '26 - 25 Mar '26
Important Chapters for JEE Main 2026
The entire list of important Chapters of Physics, Chemistry, and Mathematics is given below.
Do or Die Chapters for JEE Main 2026 Mathematics
| 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. |
|
Do or Die Chapters of JEE Main 2026 for Chemistry
| 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- removed |
| 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 |
|
Do or Die Chapters of JEE Main 2026 for Physics
| 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-removed |
| 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 |
|
Read more:
| JEE Main Chapterwise Weightage | Best Books for JEE Main 2026 Preparation |
FAQs related to JEE Main Do or Die Chapters
Q. Which chapters are most important in JEE Mains?
A. Chapters like Rotational Motion, Thermodynamics, SHM, Electrostatics, Magnetism, Optics, and Modern Physics among others are important in Physics. In Chemistry Chemical bonding, Electrochemistry, Coordination compound, Thermodynamics & thermochemistry, etc are important. In Mathematics, Complex Number, Conic Section, Circle, Calculus, Vector & 3 D, Probability, Trigonometric Equation etc. Read more.
Q. Which chapters can be skipped for JEE Mains?
A. In exams like JEE Main, one should not try to skip a single chapter while preparing. Students must cover the whole syllabus thoroughly as the questions can be asked from any topic
Q. Which is the most scoring subject in JEE mains?
A. Chemistry is considered as the most scoring subject with an average score of around 35 marks; Mathematics on the other hand is the most difficult to score off averaging a little over 25.
Q. Is stoichiometry important for JEE?
A. Yes, it is for sure!! Stoichiometry may even cover a major part of physical chemistry in the mains paper.
Q. Is there any specific book for JEE Main preparation comprising all subjects?
A. Not one book but topic-specific books should be referred by candidates in order to get the best of all.
Q. With 96 percentile in which NIT will I get?
A. Candidates can get admission to NIT Mizoram and NIT Nagaland. Read here to know the detailed analysis and other college options
Q. Is 200 a good score in JEE Mains?
A. Yes, 200 is considered good in JEE Mains if you want to get into top NITs and IIITs. Read more
Q. In JEE Mains 2023, what is the weightage of class 11 and 12 syllabi?
A. It is nearly 49% for class 11 and 51% for the class 12 syllabus.
Q. What is the weightage of modern physics in JEE Mains?
A. The weightage for modern physics in JEE Main is 20-25%.
Q. Can class 11 students give JEE Mains?
A. No, candidates have to pass or appear in the Class 12 examination to sit for JEE Mains exam.
Q. Is Class 12 marks important for JEE Mains?
A. Candidates must note that class 12 marks have no weightage in the preparation of JEE Main ranks & percentile. The ranks will be determined based on their score in the entrance exam. However, for admission into NITs, IIITs, CFTIs the class 12 board exam scores will be taken into account.
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Student Forum
Anything you would want to ask experts?Answered 6 hours ago
V
Contributor-Level 10
Answered 9 hours ago
Yes, NTA has reopened the JEE Main 2026 session 2 registration window on March 12. The last date to apply is March 13.
A
Contributor-Level 7
Answered 9 hours ago
Yes, the JEE Main 2026 January question papers have been released. The official papers were made available with the response sheet of the candidates under their respective logins on the official website - jeemain.nta.nic.in.
M
Contributor-Level 7
Answered 9 hours ago
If a question is dropped in the JEE Main exam, then the candidates of the shift from which the question is dropped will get bonus marks. It does not matter if you attempted the question or not. If a question from your shift is dropped then you will be eligible for +4 bonus marks.
A
Contributor-Level 7
Answered 10 hours ago
To be able to complete all questions in the JEE Mains question paper in 3 hours, candidates can follow a simple trick below:
Attempt the questions in rounds. Such as:
- In round 1, attempt the questions you find easy. Spend 45-60 minutes here.
- In round 2, go for moderate questions. Do not spend more than
A
Contributor-Level 7
Answered 10 hours ago
The JEE Main 2026 Session 1 (January) exam was widely considered moderate to tough. Many students found it more challenging than in the previous years.
The question paper consisted of time-consuming questions. Mathematics and Chemistry were considered tricky, while Physics was relatively more managea
N
Contributor-Level 7
Answered Yesterday
If the details mentioned on the JEE Main admit card are incorrect, then candidates should immediately contact the NTA helpline to get it corrected at +91-11-40759000.
Y
Contributor-Level 7
Answered Yesterday
Yes, you can wear a hijab in the JEE Mains exam as it is considered a religious item. However, you will likely undergo enhanced security checks at the exam centre.
You should arrive early to complete this frisking process. Make sure to keep your face visible for identification.
M
Contributor-Level 10
Answered 2 days ago
The SUPR section is comparable to JEE Main, but REAP section is considered challenging as it requires creative thinking and "out-of-box" problem solving. It can be compared to the Olympiad level questions.
S
Contributor-Level 7
Answered 3 days ago
OJEE and JEE syllabus is somewhat same and different in some places. The OJEE syllabus for Physics, Chemistry and Mathematics is different from JEE. In JEE, the physics syllabus includes topics such as Mechanics, Thermodynamics, Optics, etc. These topics require knowledge of physics topics.
S
Contributor-Level 6
Engineering Education & Entrance Exam Expert
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