Physics-
General
Easy

Question

The graph between sine of angle of refraction (sin r) in medium 2 and sine of angle of incidence (sin i) in medium 1 indicates that open parentheses t a n invisible function application 36 to the power of ring operator end exponent almost equal to fraction numerator 3 over denominator 4 end fraction close parentheses

  1. Total internal reflection can take place    
  2. Total internal reflection cannot take place    
  3. Any of (a) and(b)    
  4. Data is incomplete    

The correct answer is: Total internal reflection cannot take place


    From graph, slope equals tan invisible function application open parentheses fraction numerator 2 pi over denominator 10 end fraction close parentheses equals fraction numerator sin invisible function application r over denominator sin invisible function application i end fraction
    Also 1 mu subscript 2 end subscript equals fraction numerator mu subscript 2 end subscript over denominator mu subscript 1 end subscript end fraction equals fraction numerator sin invisible function application i over denominator sin invisible function application r end fraction equals fraction numerator 1 over denominator tan invisible function application open parentheses fraction numerator 2 pi over denominator 10 end fraction close parentheses end fraction equals fraction numerator 4 over denominator 3 end fractionÞ mu subscript 2 end subscript greater than mu subscript 1 end subscript
    It means that medium 2 is denser medium. So total internal reflection cannot occur.

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