5. The light ray shown in the figure below makes an angle of 60.0° with the
normal line at the boundary of air and water. Find the angle of refraction (e,)
as the light ray enters glass from oil. Note that the refractive indices are n =
1.333 for water, n = 1.48 for oil, and n = 1.52 for glass.
60°
Air
water
Glass
e
Oil