### Find the maximum number of totally dark fringes on screen

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##### Reference no: EM13543559

Laser light of wavelength 632.8 nm falls normally on a slit that is 0.0250 mm wide. The transmitted light is viewed on a distant screen where the intensity at the center of the central bright fringe is 8.50 W/m2.

Find the maximum number of totally dark fringes on the screen, assuming the screen is large enough to show them all.

At what angle does the dark fringe which is most distant from the center occur?

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