2012
Physics
67e856d33cf20db308447ec1
Two plane mirrors are inclined at angle 45 to another. A ray of light has incident angle of 20 at the surface of the first mirror. The reflected ray is then incident on the second mirror. Calculate the angle of reflection at the second mirror
A.
65
B.
45
C.
25
D.
20
Correct Answer: 25
Explanation
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