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

  • question_answer
    In a radioactive reaction \[_{92}{{X}^{232}}{{\to }_{82}}{{Y}^{204}}\], the number of \[\alpha -\]particles emitted is                                                                       [BCECE 2005]

    A)            7    

    B)            6

    C)            5    

    D)            4

    Correct Answer: A

    Solution :

               By using \[{{n}_{\alpha }}=\frac{A-{A}'}{4}\]\[=\frac{232-204}{4}=7\].


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