asked 104k views
3 votes
Refraction occurs when a wave

a.
enters a new medium at an angle.
b.
hits a surface through which it cannot pass.
c.
moves around a barrier.
d.
interferes with another wave.

2 Answers

3 votes

the answer is a.................

answered
User Valerian Pereira
by
8.3k points
7 votes
i beleieve that the answer is a
answered
User MANOJ GOPI
by
7.9k points