As a light ray leaves a glass surface, traveling from the glass back into air at an angle to the surface, the light ray

Question

Quizplus · Accepted Answer

When a light ray travels from a denser medium (like glass) to a less dense medium (like air), it bends away from the normal (perpendicular) to the surface. This is due to the decrease in the speed of light as it enters the denser medium, causing the light to refract and thus bend away from the normal.

As a Light Ray Leaves a Glass Surface, Traveling from the Glass