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Suppose a single slit diffracts monochromatic light at 562 cm and produces the first bright fring...

Suppose a single slit diffracts monochromatic light at 562 cm and produces the first bright fringe 7.5 cm away from the central axis. The screen is 2.46 m away from the slit. a. How far away from the central axis will the second bright fringe be if monochromatic light of wavelength 495 nm is put through the slit? b. What is the maximum number of dark fringes each of these wavelengths can produce for this slit?

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