A spaceship traveling very fast relative to you fires a stream of photons at speed c away from you. You measure the photons' speed to be
A) less than c.
B) more than c.
C) equal to c.
Question 2
A light source blinks with a certain frequency in its own frame of reference, and the speed of light in that frame is c. When the light source approaches you, you observe an increase in
A) both speed of light and frequency of blinking.
B) speed of light, but not frequency of blinking.
C) frequency of blinking, but not speed of light.
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