Question

To increase the loudness of sound by four times, by how much should the amplitude

of vibration be changed​

Answer 1

Answer:

Loudness is directly proportional to the square of amplitude. So to increase the loudness by 4 times:- Loudness should be directly proportional to twice the square of amplitude

Answer 2

Answer. Loudness is directly proportional to the square of amplitude. So to increase the loudness by 4 times:- Loudness should be directly proportional

to twice the square of amplitude......

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