Question

Various astronauts on the Apollo missions left an array of "retroreflectors" on the moon allowing for a continuous measurement of lunar distance (fig. lb). In essence, a retroreflector is constructed by a corner cube of mirrors (think of the corner of a room where the walls meet the ceiling). The operation of a retroreflector can be understood along a given direction by considering right angle mirror (fig. la). a)With reference to this figure, use the law of reflection to prove that θǐn-Bout. b) If you were looking at such a right angle mirror (of arbitrary size), how many images of yourself could you see? Discuss the orientation of these images. Figure 1: Problem 2 a) b) Incoming Outgoing

Answer 1

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