If the absolute refractive indices of two media X and Y are 6/5 and 4/3 respectively, then the refractive index of Y with respect to X will be :

If the absolute refractive indices of two media X and Y are 6/5 and 4/3 respectively, then the refractive index of Y with respect to X will be:

(A) 10/9
(C) 9/8
(B) 9/10
(D) 8/9

Correct Answer : Option (A) 10/9

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