Solving a problem in physics section 24 point 93 optics

Solving a problem in physics section 24 point 93 optics

93. The quartz plate 3 mm thick, cut perpendicular to the optical axis, placed between the two polarizers. Determine the constant rotation of quartz for the red light, if its intensity after the passage of the system is maximum when the angle between the principal planes of the polarizers 45°.

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