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

Radhika Batra , 11 Years ago
Grade 11
anser 2 Answers
Dinesh

Last Activity: 10 Years ago

The warm and moist air coming out of mouth condenses into liquid water.This makes the glass wet.


Thanks & Regards,
Dinesh Sajnani
AskIITians Faculty

Adarsh

Last Activity: 9 Years ago

The air from mouth helps to remove dust particles present in the spectacles.

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