6. When S is barely able to see B the light rays from B must reﬂect to S oF the edge of the mirror. The angle of reﬂection in this case is 45 ◦ , since a line drawn from S to the mirror’s edge makes a 45
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.