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Question
Assertion:- If we rub our hands together for several seconds, we will notice that our hands feel warm.
Reason:- This is because Chemical energy → Mechanical energy → Heat energy
Assertion:- If we rub our hands together for several seconds, we will notice that our hands feel warm.
Reason:- This is because Chemical energy → Mechanical energy → Heat energy
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Solution
The correct option is A Assertion:- True
Reason:- True
Reason is the correct explanation of assertion
If we rub our hands together for several seconds, the action of scraping the surface of skin back and forth against makes our hands warm. This is because the energy stored in the body, i.e., chemical energy (obtained from food) is required for the movement of our hands (mechanical energy) which finally converts to heat energy.
Assertion:- True
Reason:- True
Reason is the correct explanation of assertion
If we rub our hands together for several seconds, the action of scraping the surface of skin back and forth against makes our hands warm. This is because the energy stored in the body, i.e., chemical energy (obtained from food) is required for the movement of our hands (mechanical energy) which finally converts to heat energy.
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