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Question

If the amplitude of a wave is doubled, what will be the effect on its loudness ?

A
increase four times

B
increase two times

C
decrease four times

D
decrease two times

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Text SolutionText solutionverified iconVerified

Loudness depends on the square of the amplitude of the wave. 

That is, 

Thus, when amplitude of the wave is doubled, the loudness becomes four times.
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Question Text
If the amplitude of a wave is doubled, what will be the effect on its loudness ?
Answer TypeText solution:1
Upvotes150