Thin film diffraction - need help to start

  • Thread starter big_boi
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  • #1
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Thin film diffraction -- need help to start

Homework Statement



I attached a picture of the problem, could anyone tell how I would begin to proceed with this problem? I believe that it is more complicated than simply a Snell's law problem, due to the thin film of oil.

Thanks for your consideration.

Homework Equations





The Attempt at a Solution

 

Attachments

  • fr 3.gif
    fr 3.gif
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Answers and Replies

  • #2
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All you need is snell's law. However, you will need to use it twice.
 

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