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In which of the following the loudness of sound is not determined?

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amplitude of vibration

the ratio of amplitude and frequency of vibration

frequency of vibration

Both (2) and (3)

answer is A.

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Detailed Solution

The loudness of a sound is the ratio of the intensity of any given sound to the intensity at the hearing threshold. It is expressed in decibels (dB).

The amplitude of sound waves determines the loudness. If the amplitude is high, the sound is louder; if the amplitude is low, the sound is weaker.

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