Question

the refractive indices of turpentine and water with respect to air are 1.8 and 1.3 respectively. then the refractive index of turpentine with respect to water will be.
a) 13 / 18
b) 18/13
c) 2.8
D)5/4

Answer 1

Refractive index of turpentine with respect to water
=1.8/1.3
=18/13(option b)

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