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6.To clean their spectacles, people often breathe out on glasses to make them wet. Explain why the glasses become wet?

6.To clean their spectacles, people often breathe out on glasses to make them wet. Explain why the glasses become wet?

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60796 Points
one year ago
Ans: The breathe out gases contain water-vapour. The water-vapour condenses at spectacles so glass becomes wet and with the help of small amount of water, it is easy to clean the spectacles.

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