An unpolarized light ray has an intensity of 72W/m^2. a) What is the intensity of the light ray after it passes through a horizontally oriented filter? b) What is the intensity after the light passes through a second filter that is oriented at a 45 degrees angle to the first?

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Chapter1: The Nature Of Light
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Problem 66P: If you have completely polarized light of intensity 150 W/m2 , what will its intensity be after...
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An unpolarized light ray has an intensity of 72W/m^2.

a) What is the intensity of the light ray after it passes through a horizontally oriented filter?

b) What is the intensity after the light passes through a second filter that is oriented at a 45 degrees angle to the first?

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