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

  • question_answer
    Which of the following is accompanied by the characteristic X-ray emission                                          [MP PET 1993]

    A)            \[\alpha -\]particle emission 

    B)            Electron emission

    C)            Positron emission              

    D)            K?electron capture

    Correct Answer: D

    Solution :

               Nucleus of heavy atom captures electron of k-orbit. This is a radioactive process, so vacancy of this electron is filled by an outer electron and x-rays are produces.


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