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19.2 Chemistry

Vocabulary Words

index of refraction the ratio of the speed of light in a vacuum to the speed of light in a medium
lens an object made of transparent material that has one or two curved surfaces that can refract light
concave lens a lens that is curved inward at the cent and is thickest at the outside edges
convex lens a lens that is curved outward at the center and is thinnest at the outside edges
critical angle the angle of incidence that produces an angle of refraction of 90 degrees
total internal reflection the complete reflection of a light ray back into its original medium
Created by: MarieElyn