Physics, asked by studious1797, 10 months ago

A slit S is illuminated by a monochromatic light source to give two coherent sources P1 and P2. These give bright and dark bands on a screen. At a point, R on the screen, there is a dark fringe. What relationship must exist between the lengths P1R and P2R?

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Answered by dewangSINGLA

6

hi..

There will be a dark fringe at point R When path difference.

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