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JEE Main & Advanced Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Rate of decay and Half-life

  • question_answer
    In a radioactive decay, an emitted electron comes from [CBSE 1994; Pb. PET 1999]

    A)                 Nucleus of the atom

    B)                 Inner orbital of the atom

    C)                 Outermost orbit of the atom

    D)                 Orbit having principal quantum number one

    Correct Answer: A

    Solution :

              In nucleus electrons formed by the following decay. \[_{0}{{n}^{1}}{{\to }_{+1}}{{P}^{1}}{{+}_{-1}}{{e}^{0}}\]


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