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why does a desert cooler cool better on a hot dry daywhy it is in the temperature of the remaining liquid drops when evaporation takes place from its upper surface |
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Answer» The humidity (amount of water vapour present in the AIR) is low on a dry day.Being a hot dry day, the temperature is high and the humidity is low. The RATE ofevaporation increases withi. increase in temperatureii. DECREASE in humidityTherefore, the rate of evaporation and hence the cooling EFFECT due to evaporation ishigh on a hot dry day. Thus, DESERT cooler cools better on a hot dry day. |
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