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NEET Sample Paper NEET Sample Test Paper-1

  • question_answer
    A prism of \[{{6}^{o}}\] is made of material of refractive index \[\frac{5}{3}\]. The deviation caused by it is:              

    A)  \[{{2}^{o}}\]                      

    B)  \[{{8}^{o}}\]

    C)  \[{{4}^{o}}\]                      

    D)  none of these

    Correct Answer: C

    Solution :

    The relation between \[\delta \] and \[\mu \] is \[\delta =(\mu -1)\,A\] \[\Rightarrow \]               \[\delta =\left( \frac{5}{3}-1 \right)={{6}^{o}}\] \[\Rightarrow \]               \[\frac{2}{3}\times {{6}^{o}}={{4}^{o}}\]


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