Waves Unit- Angle of Incidence

  • Thread starter epik high
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  • #1
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Homework Statement


http://imgur.com/LDx7I


Homework Equations


http://en.wikipedia.org/wiki/Snell's_law

The Attempt at a Solution


I'm not really sure on the approach to take for this question. Since it proves 2 angles, Snell's Law could prove to be beneficial.

Thanks for the help!
 
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Answers and Replies

  • #2
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First , use the snell's law on the bottom surface to connect the critical angle to the refractive index of the block. For the vertical surface, the angle of transmission is [itex]90-\theta_c[/itex] using basic geometry. then use snell's law again at the vertical surface. at the vertical surface angle of incidence is [itex]\theta_1[/itex]
 

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