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QUESTION 2 (20 marks) XRD is used to analyze the atomic structure and microstructure of copper oxide (CuO) at a wavelength of 650 nm using the first order of diffraction. Figure 3 shows the result produced, where the reflection angle of peaks at 29 are 32.5", 35.5", 38.50, 46,4", 48,5", 53.0", 57.3. 62.0", 63.0 and 65.5 corresponding to (110). (002). (200). (112), (202), (020). (202), (113). (022) and (220), respectively a) Draw the miller indices of peak I until peak 6 shown in Figure 3. [12 marks] b) If the highest intensity is having the FCC crystal structure, determine the radius of the atom. Subsequently, determine the theoretical density and planar atomic density of the particle. (Atomic mass of CuO = 79.545 g/mol) 18 marks] 002 CuO nanoparticle PDF #892531 200 Intensity (...) CI OIL ZI -202 Sozo 202 22 - 220 10 70 10 28 (degree) Figure 3 XRD analysis of Cuo