Suppose a third mirror is placed beneath the two shownin
Chapter 32, Problem 32.8(choose chapter or problem)
Suppose a third mirror is placed beneath the two shownin Fig. 32-47, so that all three are perpendicular to each other.(a) Show that for such a corner reflector, any incident raywill return in its original direction after three reflections.(b) What happens if it makes only two reflections?
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