Question

We spray water on terrace in summer.Give reason​

Answer 1

Explanation:

We sprinkle water on the roof or open ground in hot summers. This water requires latent heat of vaporisation to change from liquid state to vapor state. It evaporates or vaporises by taking the large amount of latent heat from the roof or ground and surrounding air.

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Answer 2

We sprinkle water on the roof or open ground in hot summers. ... It evaporates or vaporises by taking the large amount of latent heat from the roof or ground and surrounding air. Hence, the roof or ground becomes cool after losing its heat to water.

We sprinkle water on the floor in hot summers. This water requires latent heat of vaporization to change from liquid state to vapor state. It evaporates or vaporizes by taking the large amount of latent heat from the roof or ground and surrounding air. Hence, the roof or ground becomes cool after losing its heat to water.For a simple experiment, put room temp water in a spray bottle and mist yourself with it. Now blow air over where the mist landed, and your skin will feel cool- cooler than when you blow on dry skin. That's the evaporation effect at work.

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