21. Partially polarized light passes through Nicole. When you turn on the corner of Nicolas φ = π / 3 from the position corresponding to the maximum light transmission, the transmitted beam intensity decreased n = 2 times. Ignoring the absorption of light in Nicole define: 1) the ratio of the intensities of plane-polarized and natural light; 2) the degree of polarization of the incident light.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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