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If the pressu...

Question

If the pressure amplitude in a sound wave is tripled, then the intensity of sound is increased by a factor of

A

9

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B

3

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C

6

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D

\sqrt{3}

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Solution

The correct option is A 9
We know that
$Intensity \propto {(Amplitude)}^{2}$
So, it increases by a factor of 9.

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