Question

Why do we sprinkle water on the roof or open ground in summer?​

Answer 1

Answer:

The water sprinkled on roof gets evaporated slowly, by gaining energy from the surface. As a result, the surface looses energy; and cause cooling. Therefore, we sprinkle watervon roof in summer to have cooling effect.

Answer 2

Answer:

we sprinkle water on the roof or open ground in hot summers .this water requires latent heat of vapourisation to change from liquid state to vapour state.It evaporates or vaporises by taking the large amount of latent heat from the roof or ground and surrounding air.

Hope it will be helpful for you!