give two examples of cooling in uor daily life that caused by evaporation
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give two examples of cooling in uor daily life that caused by evaporation
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2) hot tea kept in saucer becomes cool faster
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➡EVAPORATION : the process of conversion of water into water vapour is called Evaporation.
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➡Factors affecting the rate of evaporation:
⏪Temperature
⏪humidity
⏪wind speed
⏪area exposed
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➡EVAPORATION gives a COOLING effect .
⏪When particles evaporate , they gain energy from the surroundings and leave behind a cooling effect.
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➡EXAMPLES=
⏪When we put some Acetone on our palm , it gives. A cooling effect due to evaporation.
⏪The water in A earthen pot stays cool in summer , due to the cooling effect of evaporation.
⏪On a hot day , if we sprinkle water outside our homes or on roofs , it gives a cooling effect due to evaporation.
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Hope it helps you ✌✌