J & K CET Medical J & K - CET Medical Solved Paper-2010

  • question_answer
    A common example of \[{{\beta }^{-}}\] decay is \[_{15}{{p}^{32}}{{\to }_{16}}{{S}^{32}}+x+y.\]Then x and y stand for

    A)  electron and neutrino  

    B)  positron and neutrino

    C)  electron and antineutrino

    D)  positron and antineutrino

    Correct Answer: C

    Solution :

                     A beta minus particle\[({{\beta }^{-}})\]is an electron. Emission of\[{{\beta }^{-}}\]involves transformation of a neutron into a proton, an electron and a third particle called an antineutrino (v). \[_{15}{{P}^{32}}{{\xrightarrow{{}}}_{16}}{{S}^{32}}{{+}_{-1}}{{\beta }^{0}}+\overline{v}\]


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