Three Polarizing Sheets Are Placed in a Stack with the Polarizing

question 45

Multiple Choice

Three polarizing sheets are placed in a stack with the polarizing directions of the first and third perpendicular to each other.What angle should the polarizing direction of the middle sheet make with the polarizing direction of the first sheet to obtain maximum transmitted intensity when unpolarized light is incident on the stack?

• A)0°
• B)30°
• C)45°
• D)60°
• E)90°

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