Two Polarizers Have Their Transmission Axes at an Angle θ

question 112

Multiple Choice

Two polarizers have their transmission axes at an angle θ. Unpolarized light of intensity I is incident on the first polarizer. What is the intensity of the light transmitted by the second polarizer?

• A) I cos² θ
• B) 0.5I cos² θ
• C) 0.25I cos² θ
• D) I cos θ
• E) 0.25I cos θ

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