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MGIMS WARDHA MGIMS WARDHA Solved Paper-2003

  • question_answer
    An electron beam is accelerated through a potential difference of V volt. The minimum   wavelength   of   X-rays produced is :

    A) \[\frac{he}{cV}\]                                             

    B) \[\frac{cV}{he}\]

    C) \[\frac{eV}{hc}\]                                             

    D) \[\frac{hc}{eV}\]

    Correct Answer: D

    Solution :

    The energy of an electron accelerated through V volt is \[\frac{hc}{\lambda }=eV\] Therefore,          \[\lambda =\frac{hc}{eV}\]


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