If light enters a transparent medium at a right angle (perpendicular),what change occurs to the light?
A)It is reflected rather than entering the medium.
B)Both its direction and velocity are altered.
C)Only its direction is changed.
D)Only its velocity is changed.

Question

Quizplus · Accepted Answer

When light enters a medium perpendicularly, its velocity changes due to the different optical density, but its direction remains unchanged.

If Light Enters a Transparent Medium at a Right Angle