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Physics-10th Sources of Energy CBSE Board 2020 Medium

For question numbers 13 and 14, two statements are given – one labelled Assertion (A) and the other labelled…

For question numbers 13 and 14, two statements are given – one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below :

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