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Question

Question 6

Two mirrors A and B are placed at right angles to each other as shown in the figure.




A ray of light incident on mirror A at an angle of 25 falls on mirror B after reflection. The angle of reflection for the ray reflected from mirror B would be
(a) 25
(b) 50
(c) 65
(d) 100

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Solution

Angle of reflection for the ray reflected from mirror B will be 65 because figure below shows how reflected ray from mirror A forms incident ray on mirror B and then reflected back by an angle of 65.


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