The Figure Is a Scaled Diagram of an Object and a Converging

Multiple Choice

The figure is a scaled diagram of an object and a converging lens surrounded by air.Only one focal point,F,of the lens is shown.

-The index of refraction of this lens is 1.51 for red light and 1.53 for blue light.Blue light is focused at the point F.Which one of the following statements is true concerning the focal point for red light?

A) It is also at F.
B) It is very close to D.
C) It is very close to the lens.
D) It is to the left of and close to F.
E) It is to the right of and close to F.