Question

Suppose a stick is struck against a frying pan in vaccum. Will the frying pan vibrate? Will
he be able to hear the sound? Explain.

Answer 1

No we can't hear noise because their is not any particle in vacuum and sound need particle for transmission of sound

Answer 2

the pan will viberate but in vaccum the sound will not produce because sound need a matter to move. in vaccum there is no matter so sound will not produce. as in space we cannot hear sound.