Optics Question 770
Question: Velocity of light in a medium is $ 1.5\times 10^{8}m/s. $ Its refractive index will be
[Pb. PET 2000]
Options:
A) 8
B) 6
C) 4
D) 2
Show Answer
Answer:
Correct Answer: D
Solution:
$ \mu =\frac{c}{v} $
$ =\frac{3\times 10^{8}}{1.5\times 10^{8}} $ = 2.