Question

why does a desert cooler cool better on a hot dry day

Answer 1

When the liquid evaporates the particles of the liquid a get energy from its surroundings and loose its energy during evaporation , so the surrounding become cool and the water inside cooler starts evaporate. So now it absorbs energy from surrounding. Since it is a hot dry day water vapor in air is less. This is why desert cooler cools dry better on a hot dry day.

Answer 2

Explanation:

hey mate here is ur answer

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Desert coolers cool better

on a hot dry day because evaporation takes place faster

on hot dry day. Evaporation depends upon the moisture present in the air which is less on hot dry day. So evaporation becomes faster and a desert cooler cool better.

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