Q3: The below table lists diffraction angles for the first three peaks (third -order) of the x-ray diffraction pattern for some metal. Monochromatic x-radiation having a wavelength of (a) Determine the lattice constant. (0.1234 nm) was used for FCC crystal ? ( b) radius of atoms. Peak miller Diffraction Number indies Angle (2e) 1 101 88 2 100 98 3 111 108

Q3: The below table lists diffraction angles for the first three peaks (third -order) of the x-ray diffraction pattern for some metal. Monochromatic x-radiation having a wavelength of (a) Determine the lattice constant. (0.1234 nm) was used for FCC crystal ? ( b) radius of atoms. Peak miller Diffraction Number indies Angle (2e) 1 101 88 2 100 98 3 111 108