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A Light Ray Traveling in Glass Strikes a Glass-Water Surface

Question 47

Multiple Choice

A light ray traveling in glass strikes a glass-water surface. At angles greater than θ<sub>C</sub> the light ray is totally internally reflected. The value of θ<sub>C</sub> is A) 15º. B) 31º. C) 45º. D) 23º. E) None of these is correct. A light ray traveling in glass strikes a glass-water surface. At angles greater than θC the light ray is totally internally reflected. The value of θC is


A) 15º.
B) 31º.
C) 45º.
D) 23º.
E) None of these is correct.

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