NEET Sample Paper NEET Sample Test Paper-51

  • question_answer 22) In the beta decay: \[_{Z}^{A}X\,\,\to \,\,_{Z+1}^{A}Y\,\,+\,\,{{e}^{-}}\]
    (i) total energy is conserved
    (ii) mass number is conserved
    (iii) charge is conserved
    (iv) spin angular momentum is conserved

    A) a, b      

    B)               b , c

    C) a , c                             

    D) c , d

    Correct Answer: B

    Solution :

    Charge is always conserved. In\[\beta -decay\], neutron is converted into proton.

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