Question

explain why a ringing bell suspended in a vacuum chamber cannot be heard outside answer plzz

Answer 1

because the sound need a medium to travel. in vacuum there is no medium to travel so we can not heard the sound of ringing bell

Answer 2

in vacuum there is no air . Sound need medium to transfer from one place to another That's why a ringing bell suspended in a vacuum chamber cannot be heard outside
this is the proper answer so plz mark my answer as brainlieast