Задача 60373.

Compare the de Broglie wavelength of an electron, moving with a speed of 2 x 10 5 m / s with the lattice constant of the metal 5 * 10 ^ -10 m. Is it necessary to take into account the phenomenon of diffraction on the lattice sites.

Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
If you have any questions about the decision to write. I try to help.