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Time for light pass through glass

  1. Oct 31, 2011 #1

    Thank you!
    Last edited: Oct 31, 2011
  2. jcsd
  3. Oct 31, 2011 #2
    looks right to me *shrug*
  4. Oct 31, 2011 #3
    Im completely lost how this is not right. The first answer is right for sure.
  5. Oct 31, 2011 #4


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    Staff: Mentor

    Draw a picture of the trajectory. Label the angles. Are you sure that the sine function is the appropriate choice?
  6. Oct 31, 2011 #5
    oops was cosine. Thank you!
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