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admin
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 Posted: Fri Jul 24, 2009 1:24 pm Post subject: Question 20 |
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dnpgr16513
Joined: 14 Jun 2010
Posts: 75
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| Posted: Thu Jul 29, 2010 6:43 pm Post subject: |
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In order to have total internal reflection doesn't the first index of refraction need to be higher than the second index of refraction? I thought the first index of refraction was the outside of the core, which is the cladding ( that's the first medium). I thought the second medium would be the core. Is this not right?
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