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Give reasons why :- (a) A desert cooler cools better on a hot and dry day.(b) Ice at 0°c appear colder than water at same temperature. |
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Answer» tion:(a) A desert cooler cools BETTER on a hot and dry day because on a hot dry day temperature is high and HUMIDITY is LESS which helps in EVAPORATION.(b)Ice at 0° c APPEAR colder than water at same temperature because ice absorb latent heat. |
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