Question
Light goes from air into glass of n=1.5 at incidence angle 30°. What is sin of the refraction angle?
Select an option. Your answer will be checked instantly.
Correct Answer: B. 0.333
Explanation:
Snell's law gives 1×sin30° = 1.5 sinr.
Sinr=0.5/1.5≈0.333.
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