Hello hello !!

I am hoping that you are absolutely fine. As per your mentioned query, I would like to tell you that while knowing the each and every chapter with its weightage it enhance the preperation of your exam. So it is very necessary to analyse the chapters in detailing as which have high weightage or which have less weightage.

I am mentioning the link where you can find the weightage of each and every chapter of every subject.

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

I hope it helps.

Good luck !!