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JIPMER Jipmer Medical Solved Paper-1998

  • question_answer
    Which one of the following has the same mass as that of electron :

    A)  hydrogen atom               

    B)  positron             

    C)         neutron             

    D)         proton

    Correct Answer: B

    Solution :

    The positron has same mass \[9.1\times {{10}^{-31}}kg\] as that of electron. The magnitude of charge in both electron and positron is\[1.6\times {{10}^{-19}}C\].


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