An X-Ray Photon of Wavelength 0

Multiple Choice

An x-ray photon of wavelength 0.10 nm is Compton-scattered from a free electron. The greatest observed shift in wavelength, as seen in the scattered photon, is

A) 0.0012 nm.
B) 0.0024 nm.
C) 0.0048 nm.
D) 0.18 nm.
E) 0.10 nm.