Thank you so much. Most the equations on this homework were relativistic and I didn't think about that. All I had to do for this was use p=sqrt(2mK) and plug and chug. Answer turned out to be 32.8°.
Homework Statement
A beam of thermal neutrons emerges from a nuclear reactor and is incident on a crystal as shown in the figure below. The beam is Bragg scattered, as in the figure, from a crystal whose scattering planes are separated by 0.253 nm. From the continuous energy spectrum of the...