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The difference of speed of light in the two media A and B (VA - VB) is 2.6 x 107 m/s. If the refractive index of medium B is 1.47, then the ratio of refractive index of medium B to medium A is: (Given: speed of light in vacuum c = 3 x 108 ms-1)

(A) 1.303

(B) 1.318

(C) 1.13

(D) 0.12

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