Question

23. How is the refractive index of a medium related to the speed of

light? Obtain an expression for refractive index of a medium with

respect to another in terms of speed of light in these two media?

24. Refractive index of diamond with respect to glass is 1.6 and

absolute refractive index of glass is 1.5. Find out the absolute

refractive index of diamond.

Answer 1

getting a little while longer than I thought you were going to

Answer 2

refractive index of a medium is th ratio of speed of light in air to the speed of light in that medium