Important Topics for JEE Main Preparation Physics, Chemistry and Mathematics
In exams like the Joint Entrance Examination or more commonly referred to as the JEE Main, aspirants either learn every bit of information in the book or focus on the topics that matter. Knowledge of sectionwise important topics for JEE Main is essential and important for a good result. So we have compiled a list of all important topics that students can expect in the JEE Main Paper.
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While preparing for such a highly competitive examination like JEE Main a student must always prepare smartly as well along with all the hard work because the syllabus for this examination is huge and includes Class 11^{th} and 12^{th} Syllabus of Physics, Chemistry, and Mathematics. To score well in the examination the student must know which topics to focus more on and which to be taken normally while preparing for JEE Main.
Here below there are Important Topics listed for JEE Main Preparation in each of the 3 sections namely Physics, Chemistry, and Mathematics respectively:
Important Topics for JEE Main Preparation – Physics:
Physics is one of the 3 sections in JEE Main and carries a weightage of 100 Marks in the NEET Question Paper. Below are the listed average number of questions that have been asked from the Important Topics of various Units and Chapters of Physics from Class 11^{th} and Class 12^{th} respectively.
Topics 
Number of Questions 
Electromagnetics Induction; AC 
1 
Solids and Fluids 
1 
Waves 
1 
Work, Power and Energy 
1 
Gravitation 
1 
Simple Harmonic Motion 
1 
Unit, Dimension and Vector 
1 
Kinematics 
1 
Laws of motion 
1 
Centre Of Mass, Impulse and Momentum 
1 
Rotation 
1 
Magnetics 
2 
Heat and Thermodynamics 
3 
Current Electricity 
3 
Electrostatics 
3 
Optics 
3 
Modern Physics 
5 
Total 
30 
*Please Note: The above estimation of a number of questions is based upon the number of questions asked from each Topic in JEE Main in previous years.
Important Topics for JEE Main Preparation – Chemistry:
Chemistry is one of the 3 sections in JEE Main and carries a weightage of 100 Marks in the JEE Main Question Paper. Below are the listed average number of questions that have been asked from the Important Topics of various Units and Chapters of Chemistry from Class 11^{th} and Class 12^{th} respectively.
Topics 
Number of Questions 
The periodic table and Representative Elements 
3 
Transition Elements and Coordination Chemistry 
3 
Atomic Structure 
2 
Nuclear Chemistry And Environment 
2 
Chemical Kinetics 
1 
Solid State And Surface Chemistry 
2 
Thermodynamics And Gaseous State 
2 
Chemical Bonding 
2 
Chemical And Ionic Equilibrium 
2 
Solution and Colligative Properties 
1 
Hydrocarbon 
1 
Aromatic Compounds 
1 
Redox Reaction 
1 
Mole Concept 
1 
Alkyl Halides 
1 
Carboxylic Acid and their Derivatives 
1 
Electrochemistry 
1 
General Organic Chemistry 
1 
Stereochemistry 
1 
Carbohydrates, amino acid, and Polymers 
1 
Total 
30 
*Please Note: The above estimation of a number of questions is based upon the number of questions asked from each Topic in JEE Main in previous years.
Important Topics for JEE Main Preparation – Mathematics:
Mathematics is one of the 3 sections in JEE Main and carries a weightage of 100 Marks in the JEE Main Question Paper. Below are the listed average number of questions that have been asked from the Important Topics of various Units and Chapters of Mathematics from Class 11^{th} and Class 12^{th} respectively.
Topics 
Number of Questions 
Matrices and Determinants 
2 
Vector Algebra 
2 
Three Dimensional Geometry 
2 
Complex numbers and Quadratic Equation 
2 
Limits, Continuity and Differentiability 
3 
Integral Calculus 
3 
Coordinate Geometry 
5 
Trigonometry 
1 
Statics and Dynamics 
1 
Statistics and Probability 
2 
Sets, Relation, and Function 
1 
Sequences and Series 
1 
Binomial Theorem and Its Application 
1 
Differential Equation 
1 
Differential Calculus 
1 
Permutations and Combinations 
1 
Mathematical Reasoning 
1 
Total 
30 
*Please Note: The above estimation of a number of questions is based upon the number of questions asked from each Topic in JEE Main in previous years.
More significantly, students should read the syllabus thoroughly and it will help them gain valuable insights into the important chapters, topics, marking scheme, course objectives, and more. Furthermore, getting a complete overview of the syllabus will be helpful to develop a welldefined preparation strategy for the exam. Candidates can check the Syllabus here.
The Eligibility Criteria is important for any examination because even if a candidate does not fulfill a single criterion of the eligibility criteria declared for the examination then the candidate is not allowed to appear for the examination or even after appearing for the examination and clearing the same the admission through the examination stands canceled or void.
The JEE Main Eligibility Criteria 2021 in detail are as follows:
Age Limit 
There is no age limit for candidates. 
Qualification 
The candidate must have passed the 12^{th} or equivalent examination from any recognized board in 2019, 2020 or appearing in 2021 is eligible to apply for JEE Main 2021. 
Number of Attempts 
Candidates are eligible to attempt this exam for 3 consecutive years. 
Minimum Marks Required 
At least 75% marks in the 12th class examination, or be in the top 20 percentile in the 12th class / Qualifying examination conducted by the respective Boards. For SC/ST, marks relaxation is 65% in 12th class from any recognized board 
The JEE Main Exam Pattern is important to read for every student who wishes to appear for it. The JEE Main Exam Pattern gives a clear idea to the student about the type of questions, exam duration exam language, and various other important details about the examination. It also helps in the planning of preparation for the examination and successfully clearing the same.
The JEE Main 2021 or Joint Entrance Examination Main 2021 is conducted online by the NTA or National Testing Agency in Four Sessions in February, March, April, and May respectively. The Examination will be used as a selection criterion for appearing in the JEE Advanced 2021 for admissions into the IITs and JEE Main 2021 will also serve as the Entrance examination for admissions into the various Engineering, Architecture, and Science courses after 10+2 or its equivalent in the NITs or National Institutes of Technology, IIITs or Indian Institutes of Information Technology and CFTIs/GFTIs or Centrally Funded Technical Institutes/Government Funded Technical Institutes.
In the early stage of preparation, candidates should know about each and every point of the exam pattern. With the help of this exam pattern student will get an idea about the duration of the exam, marking scheme, no. of the question, etc.
Particulars 
B.Tech/BE 
Mode of Examination 
Computer Based Test (CBT) 
Exam Duration 
3 hours (180 minutes) 
Sections 
Section A: (MCQ’s) Physics Chemistry Mathematics Section B: (Numerical Based) Physics Chemistry Mathematics 
Total number of questions 
90 questions Section A: 20 questions from each subject. Section B: 10 questions from each subject. (candidates have to attempt any five questions out of 10 from Section B) 
Type of question 
MCQ’s and Numerical Based 
Negative Marking 
Section A: 1 will be deducted for every wrong answer (Only for MCQ’s) Section B: No Negative Marking 
Language of Paper 
This Year JEE Main will be conducted in 13 regional languages. You can find the information regarding the languages above. 
JEE MAIN Exam Pattern of Paper 1 (BE/B.Tech) in Detail:
Subject 
Distribution of Question 
Marks 

Section A 
Section B 

Mathematics 
20 (MCQ’s) 
10* (Numerical) 
100 
Physics 
20 (MCQ’s) 
10* (Numerical) 
100 
Chemistry 
20 (MCQ’s) 
10* (Numerical) 
100 
Total 
90 questions 
300 marks 
Note: ‘*’ means that candidates have to attempt only 5 Numerical questions out of 10.
JEE MAIN Exam Pattern Marking Criteria for Paper 1 (BE/B.Tech):
Marking Scheme 
For MCQs 
For Numerical Value 
Correct Answer 
+4 
+4 
Incorrect Answer 
1 
0 
Unanswered 
0 
0 
Exam Timeline
JEE Main Application Form 
Released in MidDecember 
Last Date to fill JEE Main Application Form 
MidJanuary 
JEE Main Admit Card 
Releases Tentatively 10 days Before Exam 
JEE Main Examination 
Conducted in Two or more Sessions – Feb, March, April, and May 
JEE Main Result and Final Answer Key 
Tentatively 1^{st} week of June 
Ojasvi Gupta has worked for the Indian Express and Enactus DSC as a writer. Currently pursuing BCom Hons from Delhi University, she loves to spend her free time listening to music, reading, or playing with her dog. With her strong inclination towards writing, she serves as an author for Educere India.