Question

what is amplitude of sound wave​

Answer 1

Amplitude is the fluctuation or displacement of a wave from its mean value. With sound waves, it is the extent to which air particles are displaced, and this amplitude of sound or sound amplitude is experienced as the loudness of sound.

Answer 2

AMPLITUDE :

• When a wave passes through a medium, the maximum displacement of the particle of medium on either side of its mean position is termed as amplitude of wave.
• It is denoted by the letter a.
• Its S.I unit is metre (m).