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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 angle of refraction, v ( A ) and v ( B ) denotes the speed of light in A and B . Then which of the following is true

A

`v(A) gt v(B)` and `n(A) gt n(B)`

B

`v(A) gt v(B)` and `n(A) lt n(B)`

C

`v(A) lt v(B)` and `n(A) gt n(B)`

D

`v(A) lt v(B)` and `n(A) lt n(B)`

Text Solution

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The correct Answer is:
b
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