Q3: For BCC iron, compute (a) the interplanar spacing and (b) the diffraction angle for the (220) set of planes. The lattice parameter for Fe is 0.2866 nm. Also, assume that monochromatic radiation having a wavelength of 0.1790 nm is used, and the order of reflection is 1. (1

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Q: compute the interplanar distance for these planes. Recall that has an FCC crystal structure. b.…

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