試題詳解

45. Unpolarized light of intensity I₀is incident on a series of three polarizing filters. The axis of the second filter is oriented at 45° to that of the first filter, while the axis of the third filter is oriented at 90o to that of the first filter. What is the intensity of the light transmitted through the third filter?
(A)0
(B)
(C)
(D)
(E)