Question

The index of refraction is the ratio of the speed of light in a vacuum to the speed of light in a medium. Which true statement is based on this definition?

A. Materials with a low index of refraction cause light to refract very little.


B. Materials with a low index of refraction do not refract light.


C. Materials with a low index of refraction cause light to refract a great deal.

Answer 1

It has to definitely be A

Answer 2

A. Materials with a low index of refraction cause light to refract very little.