hey,

here is the chapter wise of physics for JEE main examination

1. modern physics - 20 marks

2. heat and thermodynamics - 12 marks

3. optics - 12 marks

4. current electricity - 12 marks

5. electrostatics - 12 marks

6. magnetics - 8 marks

7. unit , dimension and vector - 4 marks

8. kinematics - 4 marks

9. laws of motion - 4 marks

10. work , power and energy - 4 marks

11. centre of mass , impulse and momentum - 4 marks

12, rotation - 4 marks

13. gravitation - 4 marks

14. simple harmonic motion - 4 marks

15. solids and fluids - 4 marks

16. waves - 4 marks

17. electromagnetics induction , AC - 4 marks

for chemistry and  mathematics kindly go through the link mentioned below

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

good luck!

• Modern Physics
• Thermodynamics
• Optics
• Current Electricity
• Electrostatic

• Transition Elements and Coordination Chemistry
• Periodic table
• Thermodynamics And Gaseous State
• Chemical bonding
• Atomic structure

• Coordinate geometry
• Limits, Continuity and Differentiability
• Integral calculus
• Complex numbers and Quadratic Equation
• Complex numbers
• Statistics and probability

Hii,

A detailed analysis is still in process for the papers by many people. It is at present not predictable about the weightage. However I am providing a link for expected weightage. Hope that it will be helpful to you.

Regards

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