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JEE Main & Advanced Physics Nuclear Physics And Radioactivity Question Bank Radioactivity

  • question_answer
    An atom of mass number 15 and atomic number 7 captures an \[\alpha -\]particle and then emits a proton. The mass number and atomic number of the resulting product will respectively be                                                              [SCRA 1994]

    A)            14 and 2                                 

    B)            15 and 3

    C)            16 and 4                                 

    D)            18 and 8

    Correct Answer: D

    Solution :

               \[_{7}{{X}^{15}}{{+}_{2}}H{{e}^{4}}{{\to }_{1}}{{P}^{1}}{{+}_{8}}{{Y}^{18}}\]


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