In Regard to the Compton Scattering Experiment with X-Rays Incident

Multiple Choice

In regard to the Compton scattering experiment with x-rays incident upon a carbon block,as the scattering angle becomes larger,what happens to the magnitude of difference between the incident and scattered wavelengths?

A) increases
B) decreases
C) remains constant
D) difference is maximum at a 45° angle of scatter