A Beam of X-Rays at a Certain Wavelength Are Scattered

Multiple Choice

A beam of X-rays at a certain wavelength are scattered from a free electron at rest and the scattered beam is observed at 45.0° to the incident beam. What is the Compton shift?

A) 1.75 × 10^-13 m
B) 2.76 × 10^-13 m
C) 0 m
D) 3.56 × 10^-13 m
E) 7.11 × 10^-13 m