Answer to Question #95135 in Optics for kischa

Question #95135

If the refractive index of glass is 1.5, what is the critical angle at the air-glass
interface?

Expert's answer

"\\alpha = \\arcsin\\frac{n_{air}}{n_{glass}} = \\arcsin\\frac{1}{1.5} \\approx 41.8 \\degree."

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