JEE Main & Advanced Physics Ray Optics Question Bank Refraction of Light at Plane Surfaces

  • question_answer
    Monochromatic light is refracted from air into the glass of refractive index \[\mu \]. The ratio of the wavelength of incident and refracted waves is [JIPMER 2000; MP PMT 1996, 2003]

    A)            1 : \[\mu \]                           

    B)            1 : \[{{\mu }^{2}}\]

    C)            \[\mu \] : 1                           

    D)            1 : 1

    Correct Answer: C

    Solution :

               \[\lambda \propto \frac{1}{\mu }\Rightarrow \frac{{{\lambda }_{1}}}{{{\lambda }_{2}}}=\frac{{{\mu }_{2}}}{{{\mu }_{1}}}=\frac{\mu }{1}\]


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