Question

Define Amplitude and loudness of a sound wave. What is pitch of a sound?

Answer 1

Amplitude - The maximum displacement of the particles of medium above or below the mean- position line is called as the amplitude of a wave. SI unit to measure the amplitude is meter (m).
Loudness - The amount of sound energy reaching a listener’s ear per second is called as the loudness of the sound. Loudness of a sound depends upon amplitude of the sound wave such that high loudness is associated with high amplitude.
Pitch - is the shrillness of a sound. It depends upon frequency of the sound wave such that higher pitch is associated with higher frequency.