JEE Main & Advanced Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Causes of radioactivity and Group displacement law

  • question_answer
    A radioactive nucleus will not emit           [DPMT 2005]

    A)                 Alpha and beta rays simultaneously

    B)                 Beta  and gamma rays simultaneously

    C)                 Gamma and alpha rays

    D)                 Gamma rays only

    Correct Answer: D

    Solution :

                    A radioisotope first emits \[\alpha \] or \[\beta \] particles, then it becomes unstable and emits \[\gamma \]-rays.


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