Answer to Question #304545 in Optics for Poccholo

Question

The velocity of light in a liquid is 0.80 as fast as it is in air. What is the index of

refraction of the liquid?

Answer 1

speed of light in the liquid $=0.80\times 3\times 10^8=240000000m/s$

refractive index=speed of light in vacuum$/$ speed of light in liquid.

$=\frac{(3\times 10^8}{240000000}=1.25$