Abeam of light passes through a polarizer and then an analyzer. in this process, the intensity of the light transmitted is reduced to 10% of the intensity incident on the analyzer. what is the angle between the axes of the polarizer and the analyzer?

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=