Physics - Light and sound are both waves. You can see a ringing bell

Light and sound are both waves. You can see a ringing bell inside an evacuated glass container but you can not hear it. This is because

A) of resonance

B) light travels faster than sound

C) sound requires air to be transmitted and light does not

D) light passes through glass but sound does not

Answer:

C) sound requires air to be transmitted and light does not