(b) The Wulff net in figure 2 has 2 degree angular increments. Selected directions and a plane are indicated for a cubic crystal. (i) Determine the minimum angle between [U1V1W1] and [U2V2W2] (1 mark) (ii) Determine the minimum angle between [U1V1W1] and (h3k3l3) (1 mark) (iii) Could the Wulff net in figure 2 also be used to calculate angular relationships if the crystal were monoclinic? (1 mark) (c) (i) Explain with a diagram the difference between a standard linear projection and a stereographic projection for projecting points on the surface of a sphere onto a twodimensional surface. (3 marks) (ii) Explain why the stereographic projection is preferred in crystallography. (4 marks)