In November 2024
Answer to Question #202276 in Optics for Ashley
a gemologist determines the index of refraction of a crystal. if the angle of incidence in air is 50 degrees, the angle of refraction in the crystal is 20 degrees what is the index of refraction of the crystal?
"n=\\frac{\\sin\\alpha}{\\sin\\beta}=\\frac{\\sin50\u00b0}{\\sin 20\u00b0}=2.24."
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