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When an empty spray pump is taken and ai...

When an empty spray pump is taken and air is blown on a clean mirror , the mirror remains clean. If we gently blow out air form lungus on the same mirror , the mirror misty . Give reason.

Text Solution

Verified by Experts

Exhaled air contains greater amount of water vapour than the normal air. When this air comes in contact with the surface of the mirror, it condenses to form tiny water droplets and gives the appearance of mist. As a result, the mirror surface turns misty.
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