It is seen that people get comfort when they Sprinkle water on the roof or open ground after a hot sunny day. why?
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Answer: The sprinkling of water on the open ground or roof causes the water molecules to absorb energy from he open ground, roof and surroundings and to get evaporated. The evaporation of water causes a cooling effect since it makes use of the very large latent heat of vaporization of water.
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