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Manipal Medical Manipal Medical Solved Paper-2005

  • question_answer
    In nuclear reaction: \[_{2}H{{e}^{4}}{{+}_{Z}}{{X}^{4}}{{\xrightarrow[{}]{{}}}_{Z+2}}{{Y}^{A+3}}{{+}_{Z}}{{M}^{A}}\] where M denotes

    A)  electron       

    B)  positron

    C)  proton         

    D)  neutron

    Correct Answer: D

    Solution :

     Applying charge & mass conservation. \[4+A=A+3+A\] \[\Rightarrow \] \[A=1\] \[2+z=z+2+z\] \[\Rightarrow \] \[z=0\] Hence, M is a neutron.


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