Question

Q19 (iii) If the refractive index of water with respect to air is 1.33. What is the refractive
index of air with respect to water?
(a) 0.86
(b) 0.75
(c) 0.75
(d) 0.88​

Answer 1

it's 0.75

u need to do nothing just do resciprocal of the given refractive index in such type of questions

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