Hii Irappa,

In JEE main or JEE advance.For each year Conducting Authirity fixes chapter wise Weightage.

and this weightage will be fix in Question paper.

it can be like that one Question comprises of two or more chapters.

you can see the chapter wise weightage using the following link- 

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

hope you understand.

thank you

Hi Irappa Kamble !

The chapterwise weightage of the chapters in JEE MAINS examination varies from year to year . There are some important topics whereas some useless topics as well . You can see the weightage by following the link given below :-

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