Question

What is the index of refraction for a medium where light has a velocity of 2.75 x10³ m/s?0.9176.751.090.250

Answer 1

n = c/v, where:

n: index of refraction

c: speed of light in a vacuum (3*10^8 m/s)

v: speed of light in medium

n = (3*10^8)/(2.75*10^8)

n = 3/2.75

n = 1.09