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Intensity of Sound

If the amplit...

Question

If the amplitude of sound wave is doubled then the loudness will become:

A

2 times

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B

4 times

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C

Half the initial value

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D

None of these

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Solution

The correct option is B
4 times

The loudness of a sound is directly proportional to the square of amplitude. So, if amplitude is doubled then loudness will become 4 times.

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Intensity of Sound

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