An Unpolarized Beam of Light Is Incident on a Group

question 12

Multiple Choice

An unpolarized beam of light is incident on a group of three polarizing sheets that are lined up so that the characteristic direction of each is rotated by 45º clockwise with respect to the preceding sheet.The fraction of the incident intensity I_o that is transmitted is

• A)zero
• B)I_o/2
• C)I_o/4
• D)I_o/6
• E)I_o/8

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