As monochromatic light passes from air to glass and back to air, ...

[olgavictoria]

As monochromatic light passes from air to glass and back to air, changes occur in its
 
  A) wavelength.
  B) speed.
  C) both of these
  D) neither of these

Question 2

When a rainbow is seen as a complete circle from an airplane, the airplane's shadow is
 
  A) in the center of the rainbow.
  B) in the lower part of the rainbow.
  C) in the upper part of the rainbow.
  D) totally outside the rainbow.
  E) nowhere, for there is no shadow.

[akpaschal]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: A