breathe out some air from your mouth on a plane mirror what do you observe the mirror becomes cloudy and you may even find some tiny water droplets on it can you explain why it is so
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It is because the air has high humidity and condenses on a cooler surface, The wood frame on the mirror is dry because it does not conduct heat well and does not condense moisture from the air on its surface. Contact with the glass is enough to cool the temperature and condense the moisture.
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