Multiple Choice
A thin beam of light enters a thick plastic sheet from air at an angle of 32.0° with the normal and continues in the sheet at an angle of 23.0° with the normal.What is the index of refraction of the plastic?
A) 0.74
B) 1.11
C) 1.28
D) 1.36
Correct Answer:

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Correct Answer:
Verified
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