On a hot sunny day, why do people sprinkle water on the roof or open ground?

On a hot sunny day, the surface of the roof or ground absorbs a large amount of heat and remains hot. On sprinkling water on these surfaces, the water absorbs a large amount of heat from the surface due to its large latent heat of vaporization thereby allowing the hot surface to cool.

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Updated on: 15-Mar-2023

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