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

  • question_answer
    Half-lives of two radioactive elements A and B are 20 minutes and 40 minutes, respectively. Initially, the samples have equal number of nuclei. After 80 minutes, the ratio of decayed number of A and B nuclei will be:

    A)  \[1:4\]

    B)  \[5:4\]

    C)  \[1:16\]

    D)  \[4:1\]

    Correct Answer: B

    Solution :

    [b] Not available


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