Question

what is amplitude where it isuse​

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

Answer:

Amplitude is the greatest distance that a wave, especially a sound or radio wave, moves up and down.

Amplitude is used to describe the peak value of such quantities as the level of sound waves, and power and voltage in electrical and electronic systems.