Is it true that after a sunny day people sprinkle water on the roof or open ground?

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True

False

answer is A.

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Detailed Solution

The above statement is true.
People sprinkle water on the roof or open ground on summer days because it makes it cool. This results in a large extent of heat of vaporization. The roof is quite hot on summer days when water is applied to the roof; water absorbs a large amount of heat for vaporization. Hence it cools the roof.

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