Two plane mirrors are inclined at an angle of to one another. A ray – McqOptions

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1.	Two plane mirrors are inclined at an angle of 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
Answer» D. 90

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