Can you hear me?

Classical Mechanics Level 1

In outer space, astronauts cannot have a conversation without the aid of communications equipment, as illustrated in [A] above. However, if they contact their helmets, then they can talk to each other as shown in [B]. Given this fact, which of the following statements is true?

a) There is no atmosphere in outer space.

b) A sound wave can propagate through solid matter, too.

c) No wave can propagate in a vacuum.


Problem Loading...

Note Loading...

Set Loading...