Calculating Angle of Refraction
A ray of light enters water from air, striking the surface at an angle of 20° to the normal. If the index of refraction is 1 for air and 1.33 for water, what is the angle of refraction?
A
54.3 °
B
12.9 °
C
5.9 °
D
14.9 °
E
22.7 °
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