Shown Here in Figure 22-1 Are Some Possible Paths That

Multiple Choice

Shown here in Figure 22-1 are some possible paths that a light ray can follow in going either from glass to air or from air into glass.

In the drawing you are not told whether the light is going from left to right or from right to left. Which path did the light follow?

A) path C
B) path G
C) path E
D) path F
E) path D