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Why Does a Desert Cooler Cool Better on a Hot, Dry Day ? - Science

Short Note

Why does a desert cooler cool better on a hot, dry day ?

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Solution

A desert cooler cools better in a hot, dry day because higher temperature and dryness of air increases the rate of evaporation of water from the cooler, causing an enhanced cooling effect. When humidity is high and/or temperature is low, rate of evaporation decreases and cooling subdues or decreases.

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APPEARS IN

Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 1 Matter in Our Surroundings
Short Answers | Q 50 | Page 37
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