The following items are positioned in sequence: A source of a beam of natural li
ID: 1474194 • Letter: T
Question
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 is zero at the observer. What are the two possible axis angle settings (less than 180°) of polarizer B?
Explanation / Answer
90 degree and 140 degree
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