1. Why do one's glasses become hazy when one comes out of an air-cond
2. The borewell in a village suddenly failed one summer. It became
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The air blown from the mouth is hot and the glass of the spectacles is comparatively colder. The hot air we breathe out contains water vapours which turns into tiny droplets of water when it comes in contact with the colder glass. This makes the glass moist and hazy.
Explanation:
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