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JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER
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Assertion: Perspiration from human body helps in cooling the body.
Reason: A thin layer of water on the skin enhances its emissivity.
Reason: A thin layer of water on the skin enhances its emissivity.
View answer and explanation
Correct option: C
If assertion is true, but reason is false
Option C (If assertion is true, but reason is false) is correct because perspiration cools the body through evaporation, not by enhancing emissivity.
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