What is the smallest angle of incidence respect to mirror

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Reference no: EM1351486

Q. Two plane mirrors are facing each other. They are parallel, 2 cm apart, and 25 cm in length, as the drawing indicates. A laser beam is directed at the top mirror from the left edge of the bottom mirror. What is the smallest angle of incidence with respect to the top mirror, such that the laser beam hits the mirrors in each way?

Q. A 60 kg woman stands on a very light, rigid board that rests on a bathroom scale at each end. She is 1.5m away from one side and 0.5m from the other.

What is the reading on each of the scales?

Reference no: EM1351486

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