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

  • question_answer
    The slope of frequency of incident light and stopping potential graph for  a given surface will be                [MP PET 1999; MP PMT 2000; JIPMER 2001, 02; UPSEAT 2003]

    A)            h    

    B)            h/e

    C)            eh  

    D)            e

    Correct Answer: B

    Solution :

                       The equation of curve between V0 and n is \[\frac{h\nu }{e}-\frac{h{{\nu }_{0}}}{e}={{V}_{0}}\]. This is equation of a straight line with slope \[=\frac{h}{e}\].


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