Two coherent monochromatic beams of intensities I and 4I respectively, are superposed.

Two coherent monochromatic beams of intensities I and 4I respectively, are superposed. Then, the maximum and minimum intensities in the resulting pattern are

Options

(a) 5I and 3I
(b) 9I and 3I
(c) 4I and I
(d) 9I and I

Correct Answer:

9I and 3I

Explanation:

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