An electron beam of 4 keV is diffracted through Bragg’s angle of 30° for the first maxima. If the energy is increased to
Posted: Sat Jul 02, 2022 7:38 pm
An electron beam of 4 keV is diffracted through Bragg’sangle of 30° for the first maxima. If the energy is increased to 16keV, the corresponding Bragg’s angle of diffraction will benearly