1. State whether the following statements are true 10 or false. Justify your answer (a) The refresh rate of a 512 x 512 frame buffer is approximately 21 frames/second, if the access time for each pixel is 200 nanoseconds. (b) 2-D rotations about the origin are non-commutative If a polygon lies on a plane Ax+By + Cz + D=0,then N = (A, B, C) is normal to that plane. (c) d) The matrix represents the perspective projection matrix on the plane z d, where the centre of projection is (0, 0,0) (e A cubic Bezier curve cannot be drawn ifthe control points are located at the vertices of a rectangle