Unpolarized light of intensity I_o passed through a Polaroid sheet with its polarizing axis at the 12 o'clock position and then through a second with its polarizing axis at the 1 o'clock position. What is the intensity of the emerging light?

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The Answer of Unpolarized light of intensity I_o passed through a Polaroid sheet with its polarizing axis at the 12 o'clock position and then through a second with its polarizing axis at the 1 o'clock position. What is the intensity of the emerging light?

Unpolarized Light of Intensity Io Passed Through a Polaroid Sheet

Unpolarized Light of Intensity I_o Passed Through a Polaroid Sheet