Total Internal Reflection · CAP 2007 #15

Physics · optics

Problem

A diver shines an underwater searchlight at the surface of a pond whose water has an index of refraction n = 1.33. At what angle of incidence relative to the surface will the light be totally reflected? (a) 41° (b) 47° (c) 49° (d) 51° (e) 58°

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