A beam of light propagating in medium A with index of refraction n (A) passes across an interface into medium B with index of refraction n (B). The angle of incidence is greater than the anlgle of refraction; v(A) and v(B) denote the speed of light in A and B. Then which of the following is true?

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A beam of light propagating in medium A with index of refraction n (A) passes across an interface into medium B with index of refraction n (B). The angle of incidence is greater than the anlgle of refraction; v(A) and v(B) denote the speed of light in A and B. Then which of the following is true?

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v(A) > v(B) and n(A) < n (B)

v(A) > v(B)and n(A) > n(B)

v(A) < v(B) and n(A) > n(B)

v(A) < v (B) and n(A) < n (B)

answer is C.

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