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Grade 12th pass9 grade science

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

Profile image of Harshit Singh
4 Years agoGrade 12th pass
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1 Answer

Profile image of Yash Patari
4 Years ago
Dear student
To clean their spectacles, people often breathe out on glasses to make them wet. ... When we breathe out, we exhale carbon dioxide gas along with water vapours. The water vapour on colliding with the surface of the glass gets condensed due to which the glass becomes wet.
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