Optics Question 772
Question: The refractive indices of water and glass with respect to air are 1.2 and 1.5 respectively. The refractive index of glass with respect to water is
[Pb. PET 2002]
Options:
A) 0.6
B) 0.8
C) 1.25
D) 1.75
Show Answer
Answer:
Correct Answer: C
Solution:
$ _{w}{\mu _{g}}=\frac{ _{a}{\mu _{g}}}{ _{a}{\mu _{w}}} $
$ =\frac{1.5}{1.2}=\frac{5}{4}=1.25 $ .
