After a hot sunny day, people sprinkle water on the roof-top because :
water helps air around the roof-top to absorb the heat instantly
Incorrect Answer water has lower specific heat capacity
Incorrect Answer water is easily available
Incorrect Answer water has large latent heat of vaporisation
Correct AnswerExplanation:
When water at room temperature is sprinkled on a hot surface like rooftop, the heat flow from surface to water molecules takes place, which leads to vaporization of water. This causes a cooling effect.
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