wi-sっLis ンじo28 o と Problem (a) Estimate the energy of the electrons that We need to use in an electron microscope to resolve a separation of 0.27 nm. (b) In a scattering of 2 eV protons from a crystal, the fifth maximum of the intensity is observed at an angle of 30°. Estimate the crystal's planar separation.

wi-sっLis ンじo28 o と Problem (a) Estimate the energy of the electrons that We need to use in an electron microscope to resolve a separation of 0.27 nm. (b) In a scattering of 2 eV protons from a crystal, the fifth maximum of the intensity is observed at an angle of 30°. Estimate the crystal's planar separation.