when you blow on a mirror, it's surface becomes cloudy after time ot clear again . explain how does this happen ?
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The blown air from our mouth contains moisture in the form of water vapours. when we blow air on the mirror surface that being cooler allows the vapours to cool down and hence cloudy surface is formed. With time the cooled vapours get evaporated as room temperature is sufficient to evaporate them hence they disappear.
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Answer:
The blown air from our mouth contains moisture in the form of water vapours.
when we blow air on the mirror surface that being cooler allows the vapours to cool down and hence cloudy surface is formed.
With time the cooled vapours get evaporated as room temperature is sufficient to evaporate them hence they disappear.
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