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

  • question_answer
    In the given nuclear reaction, how many a and b particles are emitted \[_{92}{{X}^{235}}\to {{\ }_{82}}{{Y}^{207}}\]                           [AFMC 2001]

    A)            3a particles and 2b particle

    B)            4a particles and 3b particle

    C)            6a particles and 4b particle

    D)            7a particles and 4b particle

    Correct Answer: D

    Solution :

                       \[{{n}_{\alpha }}=\frac{A-A'}{4}=\frac{235-207}{4}=7\] \[{{n}_{\beta }}=(2{{n}_{\alpha }}-Z+Z')=(2\times 7-92+82)=4\]


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