Some of the  important topics or chapters for JEE mains  based on their weightage in past year JEE examination is provided below subject wise, you should stress more on these.

PHYSICS

*Modern Physics -20 marks

*Heat and Thermodynamics-12 marks

*Optics - 12 marks

*Current Electricity- 12 marks

*Electrostatics- 12 marks

*Magnetics- 8 marks

CHEMISTRY

*Transition Elements and Coordination *Chemistry- 12 marks

*Periodic table and Representative Elements- 12 marks

*Thermodynamics And Gaseous State- 8 marks

*Atomic Structure- 8 marks

*Chemical Bonding - 8 marks

*Chemical And Ionic Equilibrium - 8 marks

*Solid State And Surface Chemistry - 8 marks

*Nuclear Chemistry And Environment - 8 marks

MATHEMATICS

*Coordinate Geometry-20 marks

*Limits, Continuity and Differentiability-12 marks

*Integral Calculus:- 12 marks

*Complex numbers and Quadratic Equation :- 8 marks

*Matrices and Determinants:- 8 marks

*Statistics and Probability:- 8 marks

*Three Dimensional Geometry:- 8 marks

*Vector Algebra:- 8 marks

To know more about the weightage of the JEE MAINS you can visit the link provided below:

https://engineering.careers360.com/articles/jee-main-syllabus-weightage

I hope this answer helps. All the very best for your future endeavors!

Hello Aspirant,

Some important chapters which have more weightage as compare to that of other are mentioned below :-

@Physics

Modern Physics - 20 marks

Heat and Thermodynamics - 12 marks

Optics - 12 marks

Current Electricity - 12 marks

Electrostatics - 12 marks

Magnetics - 8 marks

@Chemistry

Transition Elements and Coordination Chemistry  -  12 marks

Periodic table and Representative Elements - 12 marks

Thermodynamics And Gaseous State- 8 marks

Atomic Structure - 8 marks

Chemical Bonding - 8 marks

Chemical And Ionic Equilibrium - 8 marks

@Mathematics

Coordinate Geometry  -  20 marks

Limits, Continuity and Differentiability - 12 marks

Integral Calculus - 12 marks

Complex numbers and Quadratic Equation - 8 marks

Matrices and Determinants - 8 marks

Statistics and Probability - 8 marks

Vector Algebra - 8 marks

For more detailed preparation tips for JEE-Main 2021 kindly check out the link given below :-

https://engineering.careers360.com/articles/jee-main-preparation-tips

As we know that now the aspirants are facing their last time preparation before JEE-Main examination so now the solving papers should be the main priority because at this point of time reading of full concepts and chapters won't be the wise strategy so just be focused on solving papers so you can download different previous year's question papers and sample papers of JEE-Main from the link given below :-

https://engineering.careers360.com/articles/jee-main-sample-papers

https://engineering.careers360.com/articles/jee-main-question-paper

You can also check out our JEE-Main Learner's program which  includes the full length Mock test series  and you check out this from the link given below :-

https://learn.careers360.com/knockout-jee-main-april/?product=27

NTA has also given the facility for mock test which you can give from the link given below :-

https://nta.ac.in/Quiz

I hope this information helps you.

Good Luck!!

hello,

PHYSICS

Modern Physics -20 marks

Heat and Thermodynamics-12 marks

Optics - 12 marks

Current Electricity- 12 marks

Electrostatics- 12 marks

*Magnetics- 8 marks

CHEMISTRY

Transition Elements and Coordination *Chemistry- 12 marks

Periodic table and Representative Elements- 12 marks

Thermodynamics And Gaseous State- 8 marks

Atomic Structure- 8 marks

Chemical Bonding - 8 marks

Chemical And Ionic Equilibrium - 8 marks

Solid State And Surface Chemistry - 8 marks

Nuclear Chemistry And Environment - 8 marks

MATHEMATICS

Coordinate Geometry-20 marks

Limits, Continuity and Differentiability-12 marks

Integral Calculus:- 12 marks

Complex numbers and Quadratic Equation :- 8 marks

Matrices and Determinants:- 8 marks

Statistics and Probability:- 8 marks

Three Dimensional Geometry:- 8 marks

Vector Algebra:- 8 marks

To know more about the weightage of the JEE MAINS you can visit the link provided below:

https://engineering.careers360.com/articles/jee-main-syllabus-weightage