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    meekadn Posts: 11, Reputation: 1
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    Nov 12, 2006, 04:25 PM
    Physics help please
    A screen is placed 55.9 cm from a single slit, which is illuminated with light of wavelength 676 nm. If the distance between the second and third minima in the diffraction pattern is 3.06 mm, what is the width of the slit?

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