A Clear Sheet of Polaroid Is Placed on Top of a Similar

Multiple Choice

A clear sheet of polaroid is placed on top of a similar sheet so that their polarizing axes make an angle of 30 $\degree$ with each other. The ratio of the intensity of emerging light to incident unpolarized light is:

A) 1:4
B) 1:3
C) 1:2
D) 3:4
E) 3:8