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The intensity of sound increases at nigh...

The intensity of sound increases at night due to

A

Increase in density of air

B

decrease in density of air

C

low temperature

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
A
At night , amoung of carbon dioxide in atmosphere increases which raises the density of atmosphere. Since intensity is directly proportional to density, intensity of sound in more at night.
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NARAYNA-WAVES-Exercise-III
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