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Young's Double Slit Experiment

  1. Jun 7, 2012 #1
    1. The problem statement, all variables and given/known data
    Is this wrong or right? PLZ.


    3. The attempt at a solution

    http://www.kentshillphysics.net/optics36.gif [Broken]

    I have a test tomorrow buy my teacher said it's m - 1/2

    Why does it say n + 1/2 everywhere. >_<
     
    Last edited by a moderator: May 6, 2017
  2. jcsd
  3. Jun 7, 2012 #2
    What is m in this equation? (both according to your teacher and to the other sources you found)
     
  4. Jun 7, 2012 #3
    According to my teacher n is the number of spots from the center (dark or light).

    Here's one of my other source.

    http://farside.ph.utexas.edu/teaching/316/lectures/node151.html
     
  5. Jun 7, 2012 #4
    From your source, m is an integer 0,1,2...
    This means that the equation simplyfies into [itex](\frac{1}{2})\gamma =dsin(\theta)[/itex], [itex](\frac{3}{2})\gamma =dsin(\theta)[/itex], [itex](\frac{5}{2})\gamma =dsin(\theta)[/itex]....

    From your teacher, the number of spots away from the center is n.

    So the first spot would yield [itex](\frac{1}{2})\gamma =dsin(\theta)[/itex], the second would be [itex](\frac{3}{2})\gamma =dsin(\theta)[/itex], and the third would be [itex](\frac{5}{2})\gamma =dsin(\theta)[/itex].

    Do you see where I'm going with this?
     
  6. Jun 7, 2012 #5
    Oh I got it. :)

    Tnx. :)

    <3
     
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