The Following Items Are Positioned in Sequence: a Source of a Beam

question 8

Multiple Choice

The following items are positioned in sequence: A source of a beam of natural light of intensity I₀,three ideal polarizers A,B,and C;and an observer.Polarizer axis angles are measured clockwise from the vertical,as viewed by the observer.The axis angle of polarizer A is set at 0° (vertical) ,and the axis angle of polarizer C is set at 50°.Polarizer B is set so that the beam intensity at the observer is a maximum.What is the axis angle settings of polarizer B?

• A)0°
• B)25°
• C)50°
• D)75°
• E)100°

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