Chapter - 5 Sound

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Q
Sound

Question:

What is loudness of sound? What factors does it depend on?

Answer:

Loudness: The volume of a sound is the loudness or softness of sound. The loudness is expressed in a unit called decibel (dB).

The loudness of sound is directly proportional to the square of the amplitude of the vibration producing the sound.

Loudness propto (Amplitude)^2


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