how does the water kept in an earthen pot become cool during summer
Answers
Explanation:
In metal containers evaporation takes place only from the water surface and heat is absorbed from the container walls that almost nullifies the cooling effect produced by evaporation. Unlike metal containers earthen pot has pores on the container walls through which water particles evaporate. This not only provides a large amount of extra area other than the surface of water for evaporation, but also prevents absorption of heat from the container walls. therefore water kept in earthen pot become cool during summer.
In metal containers evaporation takes place only from the water surface and heat is absorbed from the container walls that almost nullifies the cooling effect produced by evaporation. Unlike metal containers earthen pot has pores on the container walls through which water particles evaporate. This not only provides a large amount of extra area other than the surface of water for evaporation, but also prevents absorption of heat from the container walls. therefore water kept in earthen pot become cool during summer. Earthen pots have small pores through which the water seeps and as evaporation leads to cooling of the substance. i can explain u by an example . when we pour hot tea in a cup, the tea doesn't cool as fast as it cools in the saucer ,because evaporation takes place at the surface area. the greater the surface area, the greater amount of evaporation takes place making the tea cool.
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Answer:
water kept in an earthen pot becomes cool during summer due to the evaporation of water through the pores in the pot, a process which leaves the water andsurrounding air cool.