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Manipal Medical Manipal Medical Solved Paper-2009

  • question_answer
    If\[{{\varepsilon }_{0}}\]and\[{{\mu }_{0}}\]are respectively, the electric permittivity and the magnetic permeability of free space, \[\varepsilon \] and\[\mu \]the corresponding quantities in a medium, the refractive index of the medium

    A)  \[\sqrt{\frac{\mu \varepsilon }{{{\mu }_{0}}{{\varepsilon }_{0}}}}\]

    B)  \[\frac{\mu \varepsilon }{{{\mu }_{0}}{{\varepsilon }_{0}}}\]

    C)  \[\sqrt{\frac{{{\mu }_{0}}{{\varepsilon }_{0}}}{\mu \varepsilon }}\]

    D)  \[\sqrt{\frac{\mu {{\mu }_{0}}}{\varepsilon {{\varepsilon }_{0}}}}\]

    Correct Answer: A

    Solution :

    \[\mu =\frac{c}{v}\] \[=\frac{1|\sqrt{{{\mu }_{0}}{{\varepsilon }_{0}}}}{1/\sqrt{\mu \varepsilon }}=\sqrt{\frac{\mu \varepsilon }{{{\mu }_{0}}{{\varepsilon }_{0}}}}\]


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