In the figure, a beam of light from an underwater source is incident on a layer of carbon disulfide and the glass bottom of the container. Some of the refracted and reflected rays are shown in the diagram. For the rays shown, the interface at which the reflected light changes phase is
A) 1 only
B) 2 only
C) 3 only
D) 1 and 2
E) 2 and 3

Question

In the figure, a beam of light from an underwater source is incident on a layer of carbon disulfide and the glass bottom of the container. Some of the refracted and reflected rays are shown in the diagram. For the rays shown, the interface at which the reflected light changes phase is
A) 1 only 
B) 2 only 
C) 3 only 
D) 1 and 2 
E) 2 and 3

Quizplus · Accepted Answer

The Answer is A

In the Figure, a Beam of Light from an Underwater