A Beam of Polarized Light of Intensity I₀ Passes Through

question 21

Multiple Choice

A beam of polarized light of intensity I₀ passes through a sheet of ideal polarizing material.The polarization axis of the beam and the transmission axis of the sheet differ by 45°.What is the intensity of the emerging light?

• A) 0.25I₀
• B) 0.87I₀
• C) 0.50I₀
• D) 0.75I₀

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