A narrow beam of X rays with wavelength 1 5 A is reflected

Last updated: 6/10/2023

A narrow beam of X rays with wavelength 1 5 A is reflected from an ionic crystal with an fcc lattice structure with a density of 3 32 gcm The molecular weight is 108 amu 1amu 1 66 10 24 g A The lattice constant is a 6 00 A 0 b 4 56 A 0 c 4 00 A d 2 56 A