Solving a problem in physics section 2 point 79 optics

Solving a problem in physics section 2 point 79 optics

79. Nicole falls partially polarized light beam. At a certain position Nicolas intensity of the light passing through it, it becomes a minimum. When the plane passing Nicol turned by an angle β = 45 °, the light intensity is increased k = 1,5 times. To determine the degree of polarization P of light.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)