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JEE Main & Advanced Physics Nuclear Physics And Radioactivity Question Bank Self Evaluation Test - Nuclei

  • question_answer
    A radioactive sample \[{{S}_{1}}\] having an activity \[5\mu Ci\] has twice the number of nuclei as another sample \[{{S}_{2}}\] which has an activity of \[10\mu Ci\]. The half-lives of \[{{S}_{1}}\] and \[{{S}_{2}}\] can be

    A)  20 years and 5 years, respectively

    B)  20 years and 10 years, respectively

    C)  10 years each

    D)  5 years each

    Correct Answer: A

    Solution :

    [a] Not available


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