College Physics 10th Edition by Raymond Serway,Chris Vuille

Exercise 44

A laser beam is incident on a 45° 45° 90° prism perpendicular to one of its faces, as shown in Figure P22.20. The transmitted beam that exits the hypotenuse of the prism makes an angle of = 15.0° with the direction of the incident beam. Find the index of refraction of the prism.