Repeat Problem 28 for a Plexiglas tank filled with carbon tetrachloride instead of carbon disulfide.
In Problem 28
The angle of incidence q of a ray of light in air is adjusted gradually as it enters a shallow tank made of Plexiglas and filled with carbon disulfide. Is there an angle of incidence for which light is transmitted into the carbon disulfide but not into the Plexiglas at the bottom of the tank? If so, find the angle. If not, explain why not.