JEE Main & Advanced Physics Photo Electric Effect, X- Rays & Matter Waves Question Bank Graphical Questions

  • question_answer
    Figure represents a graph of kinetic energy (K) of photoelectrons (in eV) and frequency (v) for a metal used as cathode in photoelectric experiment. The work function of metal is

    A)            1 eV

    B)            1.5 eV

    C)            2 eV

    D)            3 eV

    Correct Answer: C

    Solution :

               Work function is the intercept on K.E. axis i.e. 2eV.


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