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 started on June 2.
Students are not allowed to carry calculators inside the exam centre in JEE Main exam. Students can use the virtual calculator available on the screen during the exam. Virtual calculators will be available on the computer screen of students during the JEE Main exam.
Explore more B.Tech exams with upcoming dates
12 Sep '26
28 Sep '26
1 Jun '26 - 30 Sep '26
30 Sep '26
24 Oct '26
1 Nov '26 - 30 Nov '26
27 Aug '26 - 2 Sep '26
31 Aug '26 - 3 Sep '26
COMEDK UGET
10 Nov '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.
News & Updates
Explore Other Exams
Jun '26 | JoSAA 2026 starts |
1 Jun '26 | JEE Advanced 2026 Result Date |
29 Aug '26 | BITSAT 2026 Iteration-IX fee p... |
28 Aug '26 | BITSAT 2026 Iteration-IX Annou... |
9 Jul '26 | SRMJEEE Phase 3 Result 2026 |
4 Jul '26 - 5 Jul '26 | SRMJEEE 2026 Exam (Phase 3) |
1 Sep '26 - 3 Sep '26 | COMEDK 2026 Counselling: Round... |
1 Sep '26 - 8 Sep '26 | COMEDK 2026 Counselling: Round... |
Sep '26 | WBJEE 2026 Decentralised Couns... |
Sep '26 | WBJEE 2026 Decentralised Couns... |
Oct '26 | VITEEE 2027 Registration Start... |
Apr '27 | VITEEE 2027 Mock Test Release ... |
Student Forum
Anything you would want to ask experts?Answered Yesterday
No. While there is an overlap, the GUJCET syllabus is more aligned with state-level board books and is less advanced than JEE Main.
V
Contributor-Level 8
Answered 6 days ago
Adamas University cutoff 2026 is out for Round 3 admission to the BTech courses. The cutoff is based on JEE Main entrance exam scores, followed by WBJEE counselling.
In the General AI category, the third-round cutoff ranks ranged between 395391 and 1180505 for BTech admission. With the lowest closing
S
Contributor-Level 10
Answered 6 days ago
GL Bajaj Institute of Technology and Management considers JEE Main score for admission in BTech course. The seats are allotted via UPTAC Counselling. Students can also get admission in BTech based on their Class 12 scores. However, preference is given to candidates with JEE Main score. They need to
N
Guide-Level 15
Answered a week ago
BTech admission at GGU is based on JEE Main scores. After seat acceptance at reporting centre student must have to report physically to the institute for final admission as per the timeline given by JoSAA/ CSAB/ Spot counselling.
G
Contributor-Level 10
Answered a week ago
According to the Lucknow University Cutoff 2026, the rank needed for getting admission in this university is 629691 for the category of General AI. Therefore, this category of students should obtain the rank of 629691 or less than this rank for being eligible for admission in this university.
It shou
N
Contributor-Level 10
Answered a week ago
Lucknow University CSE cutoff 2026 for the General AI category was 131278 in the last round, and for the BTech CSE (AI) course, the cutoff was 149797 in the same round. To know the last round BTech CSE cutoff for other categories, see the table below.
| Category | BTech CSE | BTech CSE (AI) |
|---|---|---|
| General | 131278 | 149797 |
| OBC | 152450 | 168280 |
| SC | 330025 | 365271 |
| ST | 1020632 | 759618 |
| EWS | 145455 | 157942 |
| PWD | 1264633 | 1150097 |
N
Contributor-Level 10
Answered a week ago
No, JEE Main is not mandatory for admission in BTech programme of SOA University. It is optional. Aspirants can also appear for SAAT conducted by deemed-to-be university for admission in BTech.
N
Guide-Level 15
Answered a week ago
Apeejay Stya University cutoff 2026 has been released for the General AI category. The closing rank for all the listed programmes stood at 5,99,000 indicating that there was no variation in the Round 1 cutoff across the mentioned B.Tech programmes. These programmes include B.Tech. in Computer Scienc
R
Beginner-Level 5
Answered a week ago
At Apeejay Stya University the JEE Main cutoff 2026 Round 1 closing rank for the General-All India category was 5,99,000 across all the B.Tech programmes mentioned.
R
Beginner-Level 5
Answered a week ago
No, JEE Mains is not an accepted entrance exam at R.V. College of Engineering. Candidates must appear in either KCET or COMEDK in order to apply for BE at RVCE.
S
Contributor-Level 10
Engineering Education & Entrance Exam Expert
Role: Senior News Writer & Content Editor, Shiksha.com
Education: B.Tech in Mechanical Engineering [IET], MA Education Philosophy
Satyendra Singh is an Engineering gradua
Read Full Bio