Question

give reason: (a) A child blows out air on the surface of a clean cold mirror and notices droplets of water after sometime. why does this happen?

Answer 1

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Ans :- A child blows out air on the surface of a clean cold mirror and notices droplets of water after sometime . This happens bcoz the air he blows out has moisture and the water vapour/moisture from the air condenses on the surface of the mirror thus forming droplets of water after sometime.
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