Snell's Law/Critical Angles Problem

  • Thread starter Nikki196
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I know how to do critical angle problems, using snell's law, but i was given a circle and i'm not sure how i should go about finding the incident angle.. If someone could help me out with that it would be awesome! THX
Nicole
 

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  • #2
dextercioby
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Nikki196 said:
I know how to do critical angle problems, using snell's law, but i was given a circle and i'm not sure how i should go about finding the incident angle.. If someone could help me out with that it would be awesome! THX
Nicole

Post the exact text of the problem and maybe attach some drawing,since this is a problem that will use some geometry.And it's Snell-Descartes law.
That is if u want us to help u...

Daniel.
 
  • #3
HallsofIvy
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If your light ray is reflecting off a circle (or cylinder), the angle is the angle made with the tangent line to the circle.
 

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