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An unpolarized light of intensity 32 ~W / m ^2 passes through three polarizers, such that the transmission axis of last polarizer is crossed with that of the first. If the intensity of emergent light is 3 ~W / m ^2 , then the angle between the transmission axes of the first two polarizers is

Options

  1. A30^
  2. B19^
  3. C45^
  4. D90^

Correct answer

A. 30^

Step-by-step solution

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