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VMMC VMMC Medical Solved Paper-2002

  • question_answer
    Electron microscope was invented by

    A)  Watson and Crick           

    B)  Knoll and Ruska              

    C)        H.J. Muller        

    D)         Aristotle

    Correct Answer: B

    Solution :

    Electron microscope was invented by M. Knoll and E. Ruska in 1932.  


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