A ray of light traveling in air enters the end of a rectangular block of a material that has an idex of refraction n = 1.35. The largest value of the angle ? for which total internal reflection occurs at the upper surface of the material is approximately Air n = 1.00 ? n = 1.35 75° 48° 56° 78° 65°
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When a ray of light travels from air to a material with a higher index of refraction, it bends towards the normal line (the line perpendicular to the surface of the material). Show more…
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