1.

Two beams of light having intensity I and 4I interfere to produce a fringe pattern on a screen. The phase difference between the beams is π2 at a point A and 2π at point B. The difference between the resultant intensities at B and A will be,

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Two beams of light having intensity I and 4I interfere to produce a fringe pattern on a screen. The phase difference between the beams is π2 at a point A and 2π at point B. The difference between the resultant intensities at B and A will be,



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