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CMC Medical CMC-Medical VELLORE Solved Paper-2011

  • question_answer
    The refractive indices of violet and red light are 1.54 and 1.52 respectively. If the angle of prism is \[10{}^\circ ,\] the angular dispersion (in degree) is

    A)  0.02                                      

    B)  0.20

    C)  3.06                                      

    D)  30.6

    E)  306

    Correct Answer: B

    Solution :

    \[{{\delta }_{v}}-{{\delta }_{r}}=({{\mu }_{v}}-{{\mu }_{r}})A\] \[=(1.54-1.52)\times 10\] \[=0.02\times 10=0.2{}^\circ \]


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