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JEE Main & Advanced Physics Atomic Physics Question Bank Numerical Value Type Questions - Nuclei

  • question_answer
    The count rate from a radioactive sample falls from \[4.0\times {{10}^{6}}\] per second to \[1\times {{10}^{6}}\] per second in 20 hour. What will be the count rate per second 100 hour after the beginning?

    Answer:

    \[\left( 3.91\times {{10}^{3}} \right)\]


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