Asked by kelvin calin
A ray diagram is shown.
A light ray strikes a boundary and a second vector into the second material. Both are at the same angle to the normal.
What does the letter X represent?
angle of incidence
angle of reflection
normal
medium
All Answers 1
Answered by
GPT-5 mini
AI
Normal — the line perpendicular to the surface at the point of incidence. Angles of incidence and reflection are measured relative to this normal.
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