Imagine that we have randomly polarized room light incident almost normally on the glass surface of a

Question:

Imagine that we have randomly polarized room light incident almost normally on the glass surface of a radar screen. A portion of it would be specularly reflected back toward the viewer and would thus tend to obscure the display. Suppose now that we cover the screen with a right-circular polarizer, as shown in Fig. P.8.68. Trace the incident and reflected beams, indicating their polarization states. What happens to the reflected beam?

Fig. P.8.68

Right circular polarizer Glass screen Quarter-wave plate Polarizer