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

  • question_answer
    The fact that electric charges are integral multiples of the fundamental electronic charge was proved experimentally by                                                                                      [MP PET 1994]

    A)            Planck                                     

    B)            J.J. Thomson

    C)            Einstein                                  

    D)            Millikan

    Correct Answer: D

    Solution :


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