When a Ray of Light Traveling in Air Is Incident

Multiple Choice

When a ray of light traveling in air is incident at θ = 50º on a plane-parallel slab of glass as illustrated, the light ray

A) is 100 percent reflected at the first surface.
B) is 100 percent reflected at the second surface.
C) emerges parallel to the incident ray and is not displaced to one side or the other of the incident ray.
D) is absorbed if the wavelength is greater than 450 nm.
E) is not described by any of these statements.