A Beam of Light Is Linearly Polarized in a Vertical

Multiple Choice

A beam of light is linearly polarized in a vertical plane and has an intensity Io.The beam passes through an ideal polarizer and then through an ideal analyzer whose axis is set horizontally.The axis of the polarizer is set at 60° with the vertical.The ratio of the intensity of the final beam to I_o is closest to:

A) 0.19
B) 0.25
C) 0.31
D) 0.37
E) 0.43