Answer to Question #341315 in Optics for Reese

Question #341315

Light traveling in glass n=3/2 is incident on-air n=1. What is the angle of incidence that causes the light to experience total internal reflection?


1
Expert's answer
2022-05-15T17:02:49-0400

The critical angle is given by

"\\theta_c=\\sin^{-1}\\frac{n_2}{n_1}"

"\\theta_c=\\sin^{-1}\\frac{1}{3\/2}=41.8^\\circ"

"\\theta \\geq\\theta_c"


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