Question

2. Two plane mirrors are inclined at an angle @ to one
another. A ray of light incident on the first mirror and
parallel to the second mirror is reflected from the second
mirror parallel to the first mirror.
What is the value of @ ?
(a) 0° (b) 45° (c) 60° (d) 90°
pls. give solutions pic​

Answer 1

Answer:

C 60 is right answer. look at pic