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Atransparentsolidcylindricalrodhasarefractiveindexof fraction numerator 2 over denominator square root of 3 end fraction Itissurroundedbyair.Alightrayisincidentatthemid-pointofoneendoftherodasshowninthefigure.

Theincidentangle0forwhichthelightraygrazesalongthewalloftherodis:

  1. s i n to the power of negative 1 end exponent invisible function application left parenthesis square root of 3 divided by 2 right parenthesis    
  2. s i n to the power of negative 1 end exponent invisible function application open parentheses fraction numerator 2 over denominator square root of 3 end fraction close parentheses    
  3. s i n to the power of negative 1 end exponent invisible function application open parentheses fraction numerator 1 over denominator square root of 3 end fraction close parentheses    
  4. s i n to the power of negative 1 end exponent invisible function application left parenthesis 1 divided by 2 right parenthesis    

The correct answer is: s i n to the power of negative 1 end exponent invisible function application open parentheses fraction numerator 1 over denominator square root of 3 end fraction close parentheses


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