1st of all focus of very important chapters-
1) Electrodynamis
2) magnetic effect of current
3) optics
4) Modern physics
these four sections contains the major part of IIT JEE exam. generally students are scared of mechanics, you should not worry much about that. Just strengthen the concept that are part of general level mechanics. follow a book/study material to build your concept and practise properly. If you havent studied any topic till now just read the basics of it. You need not go into details. Master a few topics which cover decent amount of portion in JEE will help you a lot.
1st of all focus of very important chapters-
1) Electrodynamis
2) magnetic effect of current
3) optics
4) Modern physics
these four sections contains the major part of IIT JEE exam. generally students are scared of mechanics, you should not worry much about that. Just strengthen the concept that are part of general level mechanics. follow a book/study material to build your concept and practise properly. If you havent studied any topic till now just read the basics of it. You need not go into details. Master a few topics which cover decent amount of portion in JEE will help you a lot.