Question

tips for physics exam for board
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Answer 1

Answer:

Must learn the concepts.

Even learn the concepts of numericals. Use the box method in Calorimetery chapter to attain good marks. If you do not understand the examples of numericals read the concept again and still if you do not understand the examples of numericals read the concept again. If you do not understand the  numericals read the concept again  and still if you do not understand the numericals read the concept again. You will get a clear idea of it.

If you follow this you will get at least 90+