2.A face centered cubic structured single crystal with a lattice constant of ao is studied by a monochromatic X-ray radiation whose wavelength is A=a/2: 1)Illustrate by drawing the reciprocal lattice of this crystal and indicate its lattice constant. 1/ao 2/a0 22.A face centered cubic structured single crystal with a lattice constant of a0 is studied by a monochromatic X-ray radiation whose wavelength is λ= a0 /2: 1)Illustrate by drawing the reciprocal lattice of this crystal and indicate its lattice constant. 1/a0 2/a0 ?