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# How does water kept in an earthen pot become cool during summer?

Wiki User

2012-04-30 15:11:15

Physics explains this principle well - when evaporation takes place, cooling occurs. This is because for evaporation to take place, the water needs to change into vapor or gas and this only happens when there is heat in the surroundings. So when the water absorbs heat, it evaporates and this makes the container or surroundings cooler. The earthen pitcher contains many pores or small holes. When water is poured into the pot, a small part of it exits through these pores and evaporates from the surface of the pot, thus making the pot (and remaining water) cooler than before.

Wiki User

2012-04-30 15:11:15
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Anonymous

Lvl 1
2020-04-17 06:35:57

when the surface water is evaporate in air but the earthen pot is covered at up by a plate so it not allows to water vapours to go out of it and condens within it make decrease of temparature of earthen pot rather than surroundings temparature and makes earthen pot cool and the temparature of pot also adopted by water and make it also cool.