JEE Main & Advanced Physics Ray Optics Question Bank Refraction at Curved Surface

  • question_answer
    The focal length of a convex lens  depends upon [AFMC 1994]

    A)            Frequency of the light ray

    B)            Wavelength of the light ray

    C)            Both (a) and (b)

    D)            None of these

    Correct Answer: B

    Solution :

               \[f\propto \frac{1}{\mu -1}\] and \[\mu \propto \frac{1}{\lambda }\]


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