A. An x-ray photon of 0.12 nm strikes a metal and undergoes Compton scattering of the electrons in the metal. The scattered x-ray photon is deflected at an angle 77 deg. with respect to the incident photon direction. What is the wavelength of the scattered photon?
B. What is the momentum of the incident photon?
C. What is the energy of the scattered photon?
D. If the photon is scattered back in to the beam, what is the wavelength of the scattered photon?