A Beam of X-Rays of Frequency F Is Incident Upon

Multiple Choice

A beam of X-rays of frequency f is incident upon a material that scatters the beam in various directions. The frequency of the scattered X-rays is

A) larger than f.
B) less than f.
C) exactly f.
D) either larger or less than f, but never equal to f.
E) None of the above is correct.