Question

To increase the loudness of the sound by 16 times, by how much should be the amplitude of vibration be changed?

Answer 1

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Answer: To increase the 'loudness of the sound' by four times, the amplitude should be increased to the 'square of amplitude'.

Answer 2

Answer:

To increase the 'loudness of the sound' by four times, the amplitude should be increased to the 'square of amplitude'.

Explanation:

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