Geometrical OpticsHard
Question
Two mirrors are inclined at an angle as shown in the figure. light ray is parallel to one of the mirrors. The ray will start retracting its path after third reflection if
Options
A.θ = 45o
B.θ = 30o
C.θ = 60o
D.All three
Solution
ᐃOAB ⇒ θ + θ + 90 + θ = 180o ; ⇒ θ = 30o
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