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

  • question_answer
    If an electron oscillates at a frequency of 1 GHz it gives   [DCE 1999]

    A)            X-rays                                     

    B)            Mirowaves

    C)            Infrared rays                        

    D)            None of these

    Correct Answer: D

    Solution :

               If electron oscillate with a frequency of 1 GHz, it does not radiate any energy, which corresponds a definite wavelength. It only radiate when it jump from one orbit to another orbit.


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