Hello,

Your query is not clear. Please be more specific and let us know exactly what are you looking for. Kindly elaborate so that we can provide further help.

Are you asking the important chapter or questions of JEE Main? Here are the important topics to study:

Physics

Mechanics- 30%

Heat & Thermodynamics -7%

Electrostatics & Current Electricity- 17%

Magnetics & Electro Magnetic Induction- 13%

Optics & Waves- 3%

Modern Physics- 10%

Simple Harmonic Motion, Waves & Elasticity- 7%

Semi-Conductor Devices, Electromagnetic Waves and Principles of Communication- 13%

Chemistry

Organic Chemistry- 30%

Inorganic Chemistry- 30%

Physical Chemistry- 40%

Mathematics

Co-Ordinate Geometry- 17%

Calculus- 27%

Algebra- 27%

Vector/3-D Geometry- 10%

Trigonometry- 6%

Sets & Relations, Mathematical Reasoning, Statistics- 13%

You can also refer the below given link for the further information.

https://engineering.careers360.com/articles/how-prepare-for-jee-main

Good Luck!