InterviewSolution
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InterviewSolution
| 1. |
Why do your spectacles steam up, when you enter a warmroom after being outside on a frosty early morning ? |
| Answer» Solution :(1) On a frosty early morning , the temperature of air OUTSIDE a warmroom is lower than the dew point. (2) Hence, when you enter the room from outside , some water VAPOUR in the room condenses on the glass of your spectacles, i.e., the spectacles 'steam up'. | |