Two plane mirrors, M1 and M2, are placed together as illustrated in Fig. 22.25. (a) If the
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(a) If the angle α between the mirrors 70o is and the angle of incidence, θi1 of a light ray incident on M1 is 35o, what is the angle of reflection, θr2, from M2?
(b) If a = 115o and θi1 = 60o, what is θr2?
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M1 M2 Top view
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