engineering recuitment GATE ME 2023-24 Test Series Engineering Materials Science Structure and Properties of Engineering Materials Defects
Calculate the diffraction angle for the sets of a family of planes as {220}. The lattice parameter for iron is 0.2866 nm, the wavelength of the radiation is of 0.179 nm and the order of reflection is 1.
Enter numerical value using the virtual keypad. Round off where necessary.