Light of Intensity I₀ and Polarized Horizontally Passes Through Three

question 14

Multiple Choice

Light of intensity I₀ and polarized horizontally passes through three polarizes. The first and third polarizing axes are horizontal, but the second one is oriented 20.0° to the horizontal. In terms of I₀, what is the intensity of the light that passes through the set of polarizers?

• A) 0.780I₀
• B) 0.180I₀
• C) 0.442I₀
• D) 0.883I₀

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