Respuesta :
The correct answer for the question that is being presented above is this one: "none of the above." Wave reflection happens there is a change in direction of a wavefront. This wavefront is at an interface between two different media, which makes the wavefront returns into where it is originated.
Answer:
The correct answer is actually "at boundaries between two different media"
Explanation:
Checked and it is said word for word in the corresponding slide