Is n = sin(30°)/sin(15°) the correct refractive index?

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raman911
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Homework Statement




http://img103.imageshack.us/img103/7336/12345va5.png




The Attempt at a Solution



n= Sine i/Sin r
n= Sin 3o/Sin15
n=1.93
Is That Right
 
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any one help me
 
Yes that is correct.
 
It seems ok to me.