College Physics 10th Edition by Raymond Serway,Chris Vuille

Exercise 49

A block of crown glass is immersed in water as in Figure P22.21. A light ray is incident on the top face at an angle of 1 = 42.0° with the normal and exits the block at point P. (a) Find the vertical distance y from the top of the block to P. (b) Find the angle of refraction 2 of the light ray leaving the block at P.