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

  • question_answer
    The characteristic X-ray radiation is emitted, when [CPMT 1975, 80, 90; RPET 1999]

    A)            The electrons are accelerated to a fixed energy

    B)            The source of electrons emits a monoenergetic beam

    C)            The bombarding electrons knock out electrons from  the inner shell of the target atoms and one of the outer electrons falls into this vacancy

    D)            The valence electrons in the target atoms are removed as a result of the collision

    Correct Answer: C

    Solution :


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