An Ideal Polarizer Is Placed in a Beam of Unpolarized

Multiple Choice

An ideal polarizer is placed in a beam of unpolarized light and the intensity of the transmitted light is 1. A second ideal polarizer is placed in the beam with its preferred direction rotated 40° to that of the first polarizer. What is the intensity of the beam after it has passed through both polarizers?

A) 0.77
B) 0.64
C) 0.59
D) 0.41
E) 0.30