Question

The critical angle of internal reflection is when:A)Light only refracts and leaves the mediumB)When light reflects and refracts equally when hitting a mediumC)When light only reflects off a mediumD)When the angle neither refracts nor reflects off a medium

Answer 1

Consider that the critical angle determines the angle at which an incident light is not refracted to a second medium. It means that the light is totally reflected to the incidence medium.

Hence, you can conclude:

C) When light reflects off a medium