A beam of light travelling horizontally consists of an unpolarized component with intensity I, and a polarized component with intensity I. The plane of polarization is oriented at an angle with respect to the vertical. The figure shows the total intensity Ilotal after the light passes through a polarizer as a function of the angle a, that the axis of the polarizer makes with respect to the vertical. Identify the correct statements(s) I total (W/m) 25 20 15 10 (a) 0 =125 (c) I, 17.5 W/m 50 100 150 200 (b) I = 5 W/m (d) I, 10W/m; 1, = 20W/m P a (degrees)