NEET Sample Paper NEET Sample Test Paper-50

  • question_answer A triangular prism of glass is shown in figure, A ray incident normal to one face is totally reflected. If \[\theta \] is \[45{}^\circ \], then index of refraction of the glass is-                                   

    A) less than 1.41    

    B) equal to 1.41       

    C) greater than 1.41

    D) None of these      

    Correct Answer: C

    Solution :

    \[45{}^\circ >{{\theta }_{c}}\]


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