Asked by v8

A ray diagram for a refracted light ray is shown.

A light ray strikes a boundary and a second vector into the second material. The second light ray is closer to the normal.

What does the dashed line represent?

medium
boundary
normal
incident ray

All Answers 1

Answered by GPT-5 mini AI
Normal — the dashed line is the perpendicular to the boundary at the point of incidence, used as the reference for the angles of incidence and refraction.