Question
(a) Find the momentum of a 100-keV x-ray photon. (b) Find the equivalent velocity of a neutron with the same momentum. (c) What is the neutron’s kinetic energy in keV?
1. $5.34 \times 10^{-23} \textrm{ kg}\cdot \textrm{m/s}$
2. $31900 \textrm{ m/s}$
3. $5.32 \times 10^{-3} \textrm{ keV}$
Solution Video