Neutron Energy for Crystal Measurement · CAP 2022 #15
Physics · modern-physics
Problem
We are using X-rays (the wavelength of the order of 0.1 nm) to measure the spacing between the atoms or molecules in crystals. If we use a beam of neutrons for the same purpose their energy should be of the order of:
a) 10⁻¹⁵J
b) 10⁻¹⁰J
c) 10⁻²⁰J
d) 10⁻⁵J
e) 10⁻²⁵J