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  3. JAMIA MILLIA ISLAMIA

JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2005

  • question_answer
        \[\beta -\]particle is emitted in a radioactive reaction when:

    A)  a proton changes to neutron

    B)  a neutron changes to proton

    C)  a neutron changes to electron

    D)  an electron changes to neutron

    Correct Answer: B

    Solution :

                    \[_{0}^{1}n\xrightarrow[{}]{{}}_{1}^{1}H+_{-1}^{0}e(\beta )\]


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