Compton Scattering: a Beam of X-Rays at a Certain Wavelength

Multiple Choice

Compton scattering: 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 change in the wavelength of the X-rays? (m_el = 9.11 × 10^-31 kg, h = 6.626 × 10^-34 J ∙ s, c = 3.00 × 10⁸ m/s)

A) 0.175 pm
B) 0.276 pm
C) 0.000 pm
D) 0.356 pm
E) 0.710 pm