We feel cool when we sit near the fan, this is because
A. fan gives cool air
B. fan cools surrounding air
C. air vapourises the sweat on our body
D. we feel cool when air touches the body
Answer: Option C
A. fan gives cool air
B. fan cools surrounding air
C. air vapourises the sweat on our body
D. we feel cool when air touches the body
Answer: Option C
A. Zeroth Law of Thermodynamics
B. First Law of Thermodynamics
C. Second Law of Thermodynamics
D. Third Law of Thermodynamics
A black body can absorb radiations of
A. lower wavelengths only
B. intermediate wavelengths only
C. higher wavelengths only
D. all wavelengths
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