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Homework Help: Distance Between Maxima

  1. Apr 29, 2009 #1
    1. The problem statement, all variables and given/known data
    In a double slit experiment, the wavelength is 740nm, the slit separation is 0.140mm, and the screen is 48.0cm away from the slits. What is the linear distance between adjacent maxima on the screen? Please check my answer.

    2. Relevant equations
    dy/L = m*wavelength

    3. The attempt at a solution
    y = [1(740x10^-9 m)(0.48m)]/(0.140x10^-3m)
    y = 2.5 x 10^3 m

  2. jcsd
  3. Apr 29, 2009 #2
  4. Apr 30, 2009 #3


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    Staff Emeritus
    Science Advisor
    Homework Helper

    2.5 kilometers is much too large an answer here.
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