Question 23M.1.HL.TZ2.13

Unpolarized light of intensity I and amplitude A passes through a polarizing filter.

What is the amplitude of the light transmitted by the polarizing filter?

A.  $\frac{A^2}{2}$

B.  $\frac{A}{4}$

C.  $\frac{A}{2}$

D.  $\frac{A}{\sqrt{2}}$