RAJASTHAN ­ PET Rajasthan PET Solved Paper-2008

  • question_answer
    The graph between the instantaneous concentration (N) of a radioactive element and time (t) is

    A)     

    B)  

    C)  

    D)  

    Correct Answer: A

    Solution :

     Number of atom remain undecayed\[N={{N}_{0}}{{e}^{-\lambda t}}\] Therefore, graph [a] shows the correct change of number of atoms of B with time.


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