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Interference pattern of light through a grating

  1. Jan 15, 2007 #1
    can someone please solve this equation

    Monochromatic light with a frequency of 6.50 x 10^14 hz is directed on a diffraction grating ruled with 4.00 x 10^4 lines/m. An interference pattern is produced on a screen 1.10m from the grating. How far is the 1st order maximum from the central maximum?
  2. jcsd
  3. Jan 16, 2007 #2

    Andrew Mason

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    Welcome to PF. First of all, this is not an equation. Second, we can help you solve a problem. You just have to show us what you have done to solve it and then we can help you.

  4. Jan 16, 2007 #3
    l= 1.10m
    x= ?
    f= 6.50 x 10^14
    (lamda) =_______


    v = (lamda)f

    (lamda) = dx/nl

    umm sorry but im not very good with physics
    one of my friends has asked me to help with this euqation
    im just a chemistry guy
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