Question

To clean our spectacles we often breathe out Air on the glasses. Explain why the glasses become wet?

Answer 1

Because air contains dew.

Answer 2

$\boxed{\boxed{\large\mathbf{CONDENSATION}}}$
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$\underline{\underline{\huge\mathfrak{ANSWER}}}$



$\underline{\mathbf{PHENOMENA}}$

$\mathsf{CONDENSATION}$

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$\underline{\mathbf{EXPLANATION}}$

$\textsf{When we breathe on our spectacles, they become wet.} \\\textsf{This happens only when in winter or when our} \\\textsf{spectacles are cold.} \\\textsf{The reason is the air on our mouth is very moisturous.} \\\textsf{When it comes in contact with spectacles}\\\textsf{then, the water vapours become cold.}\\\textsf{This leads to formation of water} \\\textsf{by condensation of these vapours.}$

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