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

  • question_answer
    If the wavelength of light in vacuum be l, the wavelength in a medium of refractive index n will be         [UPSEAT 2001; MP PET 2001]

    A)            nl

    B)            \[\frac{\lambda }{n}\]

    C)            \[\frac{\lambda }{{{n}^{2}}}\]                                          

    D)            n2l

    Correct Answer: B

    Solution :

               \[{{\lambda }_{medium}}=\frac{{{\lambda }_{vacuum}}}{\mu }\]


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