Question

State three factor on which loudness of sound heard by a listener depends

Answer 1

the loudness of sound heard depends on:

• loudness is proportional to the square of the amplitude.
• loudness is inversely proportional to the square of the distance.
• loudness depends upon the surface area of vibrating body.

Answer 2

Answer:

Loudness of a sound depends on the amplitude of the vibration producing that sound. Greater the amplitude of vibration, louder is the sound produced by it. The amplitude of the sound depends upon the force with which an object is made to vibrate. The loudness of a sound also depends on the quantity of air that is made to vibrate.

loudness is directly proportional to the square of amplitude.

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