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