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Most Important Chapters and Topics for JEE Mains 2026 - Students preparing for the JEE Mains 2026 must focus on high-scoring chapters and topics from Physics, Chemistry and Mathematics. Understanding the most important topics will help candidates prepare for the NTA JEE Main 2026 exam efficiently. Candidates can check the JEE Main 2026 syllabus to follow all the chapters and topics included in the exam. It's crucial to cover all Important chapters for JEE Mains 2026 from the basic level. Additionally, students must check the JEE Main chapter-wise weightage PDF to get insight into which topics carry more weight in the exam. JEE Main 2026 registration is now open, and candidates can submit their applications between 31 October 2025 and 27 November 2025. The Session 1 examination is scheduled from 21 to 30 January 2026. Candidates appearing for the JEE Main exam can find here the important topics and chapters to ace the entrance exam. Let's begin!
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Read More: India Skills Report 2026: CS, IT engineers most employable; women beat men for first time in 5 years
Candidates are advised to study all the chapters included for JEE Main 2026 as questions are formulated from the entire JEE Main 2026 syllabus. However, it is a good strategy to start preparation for the exam from the important topics of the JEE Main 2026 exam. Also, students must refer to JEE Main sample papers to get an exact idea about the overall JEE exam pattern and the way that the questions will be formulated. Applicants can also study the weightage of chapters in JEE Mains exam. Students are provided here with the JEE Main high scoring chapters and topics which should be given extra emphasis to score high.
Also Read:
The Most scoring chapters in JEE Mains Physics list given below should first be studied by candidates. These chapters have the highest weightage with the most number of questions asked from them in the past 10 years.
|
Chapter |
No. of Questions (Last 10 Years) |
|
Optics |
211 |
|
Electrostatics |
205 |
|
Properties of Solids and Liquids |
184 |
|
180 | |
|
Electromagnetic Induction and Alternating Currents |
164 |
|
Oscillations and Waves |
162 |
|
Kinematics |
156 |
|
Magnetic Effects of Current and Magnetism |
155 |
|
Atoms and Nuclei |
146 |
|
128 |
The following are the Most scoring chapters in JEE Mains Chemistry. These topics can first be covered by candidates while preparing for the exam.
|
Chapter |
No. of Questions (Last 10 Years) |
|
Organic Compounds containing Oxygen |
259 |
|
216 | |
|
Co-ordination Compounds |
185 |
|
188 | |
|
Redox Reaction and Electrochemistry |
173 |
|
Organic Compounds Containing Nitrogen |
172 |
|
Chemical Thermodynamics |
166 |
|
Atomic Structure |
155 |
|
Chemical Bonding and Molecular Structure |
151 |
|
149 | |
|
d - and f - BLOCK ELEMENTS |
148 |
|
Some basic concepts in chemistry |
142 |
|
136 | |
|
Some Basic Principles of Organic Chemistry |
136 |
|
120 |
Most Important Chapters for JEE Mains Maths 2026
Candidates can check the list of the Most scoring chapters in JEE Mains Maths below. Candidates can use this list to gain an idea of the most important JEE Main 2026 maths chapters.
|
Chapter |
Number of Questions (Last 10 years) |
|
561 | |
|
Co-ordinate Geometry |
410 |
|
Integral Calculus |
300 |
|
Limit, Continuity and Differentiability |
290 |
|
231 | |
|
Matrices and Determinants |
202 |
|
Complex Numbers and Quadratic Equations |
200 |
|
Sets, Relations and Functions |
191 |
|
Statistics and Probability |
177 |
|
173 |
Students must cover all the Important chapters for JEE Mains 2026 from the below-recommended books by various subject experts, previous year JEE Main toppers and many test takers. Candidates are advised to first thoroughly go through the NCERT books for JEE Main 2026 preparation. Apart from NCERT books, students are advised to follow only one or two books for each subject and not refer to so many books. Apart from the theory books, candidates are also advised to check the sample papers and model question papers.
Candidates can check the best books for JEE Main 2026 Physics, Chemistry, and Mathematics in the table below.
|
Subject |
Recommended Books |
|
Mathematics |
|
|
Physics |
|
|
Chemistry |
|
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Frequently Asked Questions (FAQs)
Chemistry is the most scoring subject in JEE Main because, according to past paper analysis, it has more conceptual questions.
The duration of the JEE Main exam is 3 hours. For candidates with disabilities, additional time may be provided.
If there are mistakes in your name, date of birth, or other key information on the admit card, candidates can request a correction by contacting the NTA helpline during the given timeframe, which will be announced in due course.
Calculus from Mathematics with a 25% has the highest weightage in JEE Mains 2026.
In JEE Mains 2026, Calculus holds the highest weightage, contributing around 25%. Key topics include differentiation, integration, and their applications. Following closely are Algebra and Coordinate Geometry, which require strong problem-solving skills, including solving equations, inequalities, and conic sections.
The most important topics and chapters for JEE Mains include Rotational Motion, Thermodynamics, Simple Harmonic Motion (SHM), Electrostatics, Magnetism, Optics, and Modern Physics.
Maths is the least scoring subject in the JEE Mains exam, as it is a very tough paper.
The most scoring chapters in JEE Mains includes Simple Harmonic Motion & Rotational Motion from physics, Hydrogen Bonding & Electrochemistry for chemistry and Complex Number & Calculus from maths.
Candidates must first complete the NCERT books for all the topics and then move ahead to RD Sharma for Maths.
Yes, the class 11 syllabus is very important for JEE Main, as it has approx 40 to 45% weightage.
On Question asked by student community
HELLO,
The JEE Main application verification system uses the name you enter in the application form at the time of Aadhar Card verification so if you your Aadhaar was updated but still it is showing name not verifies then it means the new details have not been reflected in the online system use by NTA
Now what you can do is :-
1. First check the status of your Aadhaar card updates on the official UIDAI website by using your Update request Number.
2. Verify the details you have entered in application form like ensure that the name that you have entered in the JEE main application form exactly matches your newly updated Aadhaar card
3. You can use the NTA Mismatch Advisory like if a name mismatch pop up appears during the application process so for this NTA has provided the solution first close the pop up then a new window will appear that will allow you to enter the name exactly as it is on your Aadhaar card
4. If still the problem does not solve then you can contact the NTA Helpdesk
Visit the link to know more :- https://engineering.careers360.com/articles/how-correct-aadhaar-name-mismatch-in-jee-mains
Hope this Helps!
While filling the form of JEE Mains 2026 January session, upload the improvement marksheet, as your improvement marksheet is your final marksheet of class 12th AISSCE exams. The one that you got before the improvement doesn't matter now as you appeared for the compartment exam to increase your overall score. So, use the marksheet given to you after appearing for your improvement exam everywhere as that is your finalized class 12th marksheet.
Hello, Yes, this mismatch will absolutely cause a problem during your JEE Mains 2026 registration, but there is a clear solution.
You must enter your father's name "Girisharadya" (without the 'a') in the main application form, as it appears on your 10th-grade marksheet. The 10th marksheet is the primary, non-changeable document for all NTA applications.
When the system tries to verify this with your Aadhaar, it will detect a mismatch ("Girisharadya" vs. "Girisharadhya") and will show a pop-up warning. NTA has created a process for this: you will be given an option to enter your father's name as per your Aadhaar in a separate field. The system will then capture both spellings, allowing you to complete the registration.
However, since you have time before 2026, the safest and most highly recommended solution is to get your Aadhaar card (and your father's) corrected to match the spelling on your 10th marksheet ("Girisharadya"). This will prevent any confusion or problems later during JoSAA counselling and final document verification.
I hope you found this information helpful and for any study related queries you can ask in careers360 app, Have a great day!
Hello Aspirant,
Jee main's high scoring chapters:
For mathematics : Coordinate Geometry, Calculus (especially Integral Calculus), and Algebra (Complex Numbers, Quadratic Equations, Matrices, Determinants) .
For physics: Thermodynamics, Current Electricity, Electrostatics, and Optics.
For Chemistry: Periodic Table, Chemical Bonding, Hydrocarbons, and Chemical Kinetics.
This chapters are the highest scoring in jee main. Hope this will help u. Wish u good luck.
Hello,
If you are currently studying in Class 12 and haven’t yet received your registration number or roll number from your board, you can leave that field blank or enter “NA” (Not Applicable) in the JEE Main application form.
Once your board issues the official registration or roll number, you don’t need to worry, NTA verifies your board details later during counselling or admission, not during registration.
So, do not enter random numbers, use “NA” or skip if optional.
Hope you understand.
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