Which of the following describes an experiment that demonstrates that light is a wave?
A) If you let light pass through a narrow slit formed by your fingers, you can detect the energy transfer as the light passes through your fingers.
B) If you let light pass through a narrow slit formed by your fingers, you can see an interference pattern.
C) If you allow light from a transparency projector to hit a small container full of water placed in front of the projector, you can detect an energy transfer as the light enters the water.
D) a mystical experiment in which the instructor pulls a cosmic toad out of a baseball cap.
E) If you allow light from a transparency projector to hit a small container full of water placed in front of the projector, you can see an interference pattern in the water.
Question 2
Identical forces act for the same length of time on two different objects. The magnitude of the change in momentum of the lighter object is
A) smaller than the magnitude of the change in momentum of the larger mass, but not zero.
B) zero.
C) exactly equal to the magnitude of the change in momentum of the larger mass.
D) larger than the magnitude of the change in momentum of the larger mass.
E) There is not enough information to answer the question.
Fun with light refraction
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