The characteristics of limestone or brick walls are important to understand the propagation of microwave in and around city buildings. at f = 4gh2, the electrical properties of brick are: e, = 4.44, 4 = 0.99 and a0.01s/m. assume that a parallel polarized wave traveling in air hits a brick wall sufficiently thick to consider it infinite in extend. use the data given to obtain: and |71| for the following angles of incidence: 0, = 15°, 30°, 45°, 60°, 75° and 90° a) (4 points) b) (2 points) the percentage of reflected to incident power density for the above angles, assuming that the wave is parallel polarized e) (2points) find the brewster angle.