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

  • question_answer
    The half-life period of radium is 1600 years. Its average life time will be                                  [MP PET/PMT 1988]

    A)            3200 years                             

    B)            4800 years

    C)            2319 years                             

    D)            4217 years

    Correct Answer: C

    Solution :

               Average life \[\frac{1}{\lambda }=\frac{1600}{0.693}=2308\approx 2319\] years.


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