The loudness of sound depends on _______ of vibration.

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Solution

Amplitude can also be measured as the height of crest or depth of trough in the wave representation of sound.
Amplitude determines the loudness of the sound.
The loudness of sound is measured in decibels (dB).
The loudness of different sounds is different e.g. radio music has 50 dB loudness and breathing is 10 dB.
Therefore, the loudness of sound depends on the amplitude of vibration.

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