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A 60° Prism Has a Refractive Index of 1

Question 145

Multiple Choice

A 60° prism has a refractive index of 1.71. Calculate the angle of emergence out of the prism for a ray that enters one side at an angle almost parallel to one face, i.e. at 90° to the normal.


A) 24.3°
B) 35.8°
C) 45.1°
D) 48.7°
E) 55.3°

Correct Answer:

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