The de Broglie wavelength of a neutron is 0.0500 nm.
What is the speed of this neutron?
What is the energy of this neutron?
What is the velocity of a 0.400-kg billiard ball if its wavelength is 7.50 fm?
An X-ray photon has an energy of 125 keV, and a neutron has the same momentum as the photon.
Find the momentum of the photon.
Find the velocity of the neutron with the same momentum.
What is the neutron’s kinetic energy?