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Light passes from medium A into medium B at an angle of incidence of 30 degrees....

Light passes from medium A into medium B at an angle of incidence of 30 degrees. The index of refraction of A is 1.5 times that of B. (a) What is the angle of refraction? (b) What is the ratio of the speed of light in B to the speed of light in A? (c) What is the ratio of the frequency of light in B to the frequency of light in A? (d) At what angle of incidence would the light be internally reflected? Answers (a) 49 degrees (b) 1.5 (c) 1 (d) 42 degrees

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