The solar constant at Earth orbit (1 AU = 1 Astronomical Unit - Sun-Earth distance) is ~1400 Watts/m2. Assuming that this Poynting flux magnitude can be associated with a single E- and Hfield (i.e., E × H ), (a.) find the equivalent E-field and (b.) find the implied flux in Watts/m2 at the visible light surface of the sun. Note that this requires you to find 1 AU in meters, use the characteristic impedance of free space, and to find the radius of the sun.