Total internal reflection occurs from an interface when the ray is incident
A) from a less dense medium.
B) from a denser medium.
C) Either of the first two responses can be valid.
D) Total internal reflection does not depend on the density of the medium.

Question

Quizplus · Accepted Answer

Total internal reflection occurs when light travels from a denser medium to a less dense medium and the angle of incidence exceeds the critical angle, not allowing the light to pass through but instead reflecting it entirely within the denser medium.

Total Internal Reflection Occurs from an Interface When the Ray