Loudness of sound is greatly depends upon:

آواز کی بلندی کا انحصار کس بات پر ہے

Amplitude of vibration

Height of object

Nature of object

None

The loudness of a sound depends on the Amplitude of the vibration

Loudness is proportional to the square of the amplitude

if the amplitude is increased by three times, the loudness also increases by nine times.

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ND4-12-2022