Question

when we shake our hands it disturbs air particles and vibrates them. we donot hear this why

Answer 1

when we shake our hands if the stops of particles and vibrates them but we cannot hear this vibration because it only reaches our outer ear, also the vibration made by hands is too slow. the slowest vibration that a human ear can hear is 20 times a second

Answer 2

Answer:

BECAUSE IT PRODUCES INFRASONIC WAVE (IT IS BELOW 20 HERTZ) SO WE CANT HEAR IT .

Hope it helps you ( ╹▽╹ )