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Two beams of light having intensities I and 4I interfere to produce a fringe pattern

Two beams of light having intensities I and 4I interfere to produce a fringe pattern on a screen. The phase difference between the beams is π/2 at a point A and π at point B. Then the difference between the resultant intensities at A and B is

Options

(a) 2I
(b) 4I
(c) 5I
(d) 7I

Correct Answer:

4I

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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