33. Geometric Optics
Total Internal Reflection
6:31 minutes
Problem 33c
Textbook Question
Textbook QuestionThe critical angle for total internal reflection at a liquid– air interface is 42.5°. (a) If a ray of light traveling in the liquid has an angle of incidence at the interface of 35.0°, what angle does the refracted ray in the air make with the normal?
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