Define the term absolute refractive index. The absolute refractive index of diamond is 2.42. What is the meaning of this statement? Refractive indices of
media A, B C and D are given below: (5) Media Refractive index A 1.33 B 1.44 C 1.52 D 1.65 In which of these four media is the speed of light (i) minimum and (ii) maximum ?Find the refractive index of medium C with respect to medium B.