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Homework Help: Deriving Diffraction Formula

  1. Oct 28, 2009 #1
    1. The problem statement, all variables and given/known data
    Basically there's a question that I'm doing which asks me to show how to derive:
    n lambda=d sin theta
    We haven't learnt it yet and so how do you do it?


    2. Relevant equations
    n lambda=d sin theta



    3. The attempt at a solution
    Not a clue!

    Thanks!
     
  2. jcsd
  3. Oct 28, 2009 #2

    Delphi51

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