A buoy, used to mark a harbor channel, consists of a weighted rod ...

[imanialler]

A buoy, used to mark a harbor channel, consists of a weighted rod 2.00 m in length. 1.50 m of the rod is immersed in water and 0.500 m extends above the surface.
 
  If sunlight is incident on the water with an angle of incidence of 40.0, what is the length of the shadow of the buoy on the level bottom of the harbor?

Question 2

Chromatic aberration occurs because of
 
  A) polarization.
  B) spherical surfaces.
  C) dispersion.
  D) internal reflection.
  E) astigmatism.

[dominiqueenicolee]

Answer to Question 1

0.828 m

Answer to Question 2

C