JEE Main & Advanced Physics Photo Electric Effect, X- Rays & Matter Waves Question Bank Photon and Photoelectric Effect

  • question_answer
    When light falls on a metal surface, the maximum kinetic energy of the emitted photo-electrons depends upon [MP PMT 1989; MP PET 1992, 93]

    A)            The time for which light falls on the metal

    B)            Frequency of the incident light

    C)            Intensity of the incident light

    D)            Velocity of the incident light

    Correct Answer: B

    Solution :

               \[{{K}_{\max }}=(h\nu -{{W}_{0}});\]   \[\nu =\]frequency of incident light.


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