Multiple Choice
Two mirrors are joined together along a common side,the planes of the mirrors separated by the angle θ.If the joined mirrors can be used as a retroreflector when a beam of light strikes both surfaces (one after the other) ,what is the value of θ?
A) 30°
B) 45°
C) 90°
D) 135°
Correct Answer:
Verified
Correct Answer:
Verified
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