How does loudness depend on the amplitude of vibrations?
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As the amplitude increases loudness also increases. Therefore loudness depends on amplitude.
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Loudness
Explanation:
Loudness of the sound produced by a vibrating object depends on the amplitude of vibration. If we strike a drum softly, it produces a soft sound. If you strike it hard, its skin vibrates with greater amplitude and a louder sound is produced. This shows that loudness of the sound produced by a vibrating object depends on the amplitude of vibration. Loudness is proportional to the square of the amplitude. Thus, if the amplitude is increased by three times, the loudness increases by nine times.
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