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Which of the following options represents the intensity of the first minima in the present case, where figure 10.5 shows a two-slit arrangement with a source emitting unpolarised light and P is a polariser with an unspecified axis direction, while I 0 is the intensity of the principal maxima when no polariser is present?

Options

  1. AI 0 /8
  2. BI 0 /4
  3. CI 0 /2
  4. DI 0 /16

Correct answer

A. I 0 /8

Step-by-step solution

Correct Option is : (A) I 0 /8

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