hi,

see physics is a kind of subjects which needs a lots of practice and your conception should be very clear, unless you might attempt wrong answers. so some steps you need to take for last two months, since exam is on 26 july tentatively.

1. make short notes for each chapters

2, daily revise and practice mcq questions.

3. high lighted the chapters or topics you find difficulty.

4, you may follow arihant books or ncert books for practice.

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Physics is a subject of concepts. Unless and untill you are crystal clear with all the concepts, you cannot score good. Secondly you need practice, a lot of practice. Go through books for clear understanding then solve as much problem as you can.