If a Source of Light Is Approaching Us at 3,000

Multiple Choice

If a source of light is approaching us at 3,000 km/sec, then all its waves are

A) blueshifted by 1%.
B) blueshifted out of the visible spectrum into the ultraviolet.
C) redshifted by 1%.
D) redshifted out of the visible into the infrared.
E) not affected, as c is constant regardless of the direction of motion.