Question

If asked to describe a wave, you could say waves are the (10 points)

A. movement of particles within a medium.

B.disturbance of energy in a material.

C.repetitive transfer of particles from one medium to another.

D. continuous transmission of energy from one location to the next.

Answer 1

I'd say (D) as in water waves or light
(A) is wrong because EM waves don't need a medium.
(B) is wrong because it says material which should act as a medium as well.
(C) is wrong because it's way of the real meaning.