INCIDENT RAY, A RAY SHINING ON A SURFACE, APPARENT DEPTH, AN EFFECT OF REFRACTION, LIGHT RAY, A THIN STREAM OF LIGHT, REFLECTION, LIGHT BOUNCING OFF A SHINY SURFACE, NORMAL LINE, A LINE DRAWN AT RIGHT ANGLES TO A SURFACE, REFRACTION, LIGHT CHANGING DIRECTION AS IT MOVES BETWEEN MATERIALS.

by Anonymous

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