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Optical path difference caused by double slit

  1. Aug 25, 2014 #1
    1. The problem statement, all variables and given/known data
    In this question, when S2 is covered with a very thin glass, the fringe move toward Y . why is it so?


    2. Relevant equations



    3. The attempt at a solution
     

    Attached Files:

  2. jcsd
  3. Aug 25, 2014 #2

    NascentOxygen

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    Staff: Mentor

    What do you think might be going on here?
     
  4. Aug 25, 2014 #3
    Only The light originate from s2 will pass thru the thin glass.
     
  5. Aug 25, 2014 #4

    NascentOxygen

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    Staff: Mentor

    List the things you know happen when light passes from one medium through another.
     
  6. Aug 25, 2014 #5
    Refraction happen
     
  7. Aug 25, 2014 #6

    NascentOxygen

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    Staff: Mentor

    And others?

    http://imageshack.com/a/img811/5412/thgooglefriend1.gif [Broken]
     
    Last edited by a moderator: May 6, 2017
  8. Aug 25, 2014 #7
    as i know , only refraction happen. after googling, i also get refraction happen.
     
    Last edited by a moderator: May 6, 2017
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