A Ray of Light Is Incident on an Equilateral Triangular $\circ$

A ray of light is incident on an equilateral triangular prism with an index of refraction of 1.23.The ray is parallel to the base of the prism when before it enters the prism as shown in the figure.What is the angle of the ray relative to the normal when it emerges from the triangular prism? (Assume that the ray does not exit from the base.)

A) 24 ^$\circ$
B) 30 ^$\circ$
C) 46 ^$\circ$
D) 54 ^$\circ$
E) 62 ^$\circ$

Correct Answer:

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