33. Geometric Optics
Refraction of Light & Snell's Law
8:15 minutes
Problem 85
Textbook Question
Textbook QuestionLight from a laser (in air) strikes the exact center of one face of a solid glass cube (n = 1.40) at an angle θ relative to the normal. The refracted beam travels inside the glass until it strikes an adjacent face of the cube. The original angle of incidence θ is such that no light exits the cube where the beam strikes the second face. What is the maximum value θ can have?
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