A Vertically Polarized Beam of Light of Intensity 100 W/m2

Multiple Choice

A vertically polarized beam of light of intensity 100 W/m2 passes through two ideal polarizers. The transmission axis of the first polarizer makes an angle of 20.0° with the vertical, and the
Transmission axis of the second one makes an angle of 40.0° with the vertical. What is the intensity
Of the light after it has passes through both polarizers?

A) 66.6 W/m2
B) 22.2 W/m2
C) 11.7 W/m2
D) 44.4 W/m2
E) 78.0 W/m2