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Problem regarding refraction of light question

  1. Oct 16, 2012 #1
    I have a problem in this question ... and i cant get an answer . Also please mention for which class is this question meant for if you know :) .

    I tried solving it but cant apply trygnometery to the angle A for the prism .

    P.S: I couldn't find the homework forum so i asked here :) .
     

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  2. jcsd
  3. Oct 16, 2012 #2

    ehild

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    What did you try so far? What is the relation between angle of incidence and angle of refraction?

    ehild
     
  4. Oct 17, 2012 #3
    Only this id given in the question . I can't even start . Only its a example of total internal reflection .
     
  5. Oct 17, 2012 #4

    ehild

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  6. Oct 17, 2012 #5
    I know snells law. Can you do the question ?
     
  7. Oct 17, 2012 #6

    ehild

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    It is supposed that you show what you tried so far and where you are stuck. Is there only one angle so no ray emerges from the face AC?

    ehild
     
    Last edited: Oct 17, 2012
  8. Oct 17, 2012 #7
    I dont know . The only data i know is in the picture
     
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