A 60 ^$\circ$ Prism Has a Refractive Index of 1 $\circ$

question 78

Multiple Choice

A 60 ^$\circ$ 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 ^$\circ$ to the normal.

• A)24.3 \(\circ\)
• B)35.8 \(\circ\)
• C)45.1 \(\circ\)
• D)48.7 \(\circ\)
• E)55.3 \(\circ\)