Question 6

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

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Solution

When we breathe out, moist air comes out along with energy and carbon dioxide. When the moist air comes in contact with the glass surface, it condenses. This makes the glasses wet.

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

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Q. To clean their spectals people often breathe out on glasses to make them wet explain why the glass became Wet ?

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Measure your chest

– Take a deep breath in

– Ask your friend to measure your chest with a thread.

Measurement____________

– Now breathe out. Again ask your friend to measure your chest. Measurement____________

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

When we breathe out, moist air comes out along with energy and carbon dioxide. When the moist air comes in contact with the glass surface, it condenses. This makes the glasses wet.

Question 6

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