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Calculate the specific activity of a rad...

Calculate the specific activity of a radioactive substance `._(98)^(250)` Cf if its half life is 6.93 min . Express your answer in terms of `10^(16)` dps.
`("Use" : N_(A) = 6xx10^(23))`

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Knowledge Check

  • The activity of a radioactive sample is 1.6 curie, and its half-life is 2.5 days . Its activity after 10 days will be

    A
    `0.8 curie`
    B
    `0.4 curie`
    C
    `0.1 curie`
    D
    `0.16curie`

  • The decay constant of a radioactive element is 3 xx 10^(-6) "min"^(-1) . Its half-life is

    A
    `2.31 xx 10^(5)` min
    B
    `2.31 xx 10^(6)` min
    C
    `2.31 xx 10^(-6)` min
    D
    `2.31 xx 10^(-7)` min

  • A radio active sample contains 10^(6) radioactive nucleus it s half life is 20 sec . Number of remaining nucleus after 10 seconds.

    A
    7.09
    B
    `7.09 xx 10^(5)`
    C
    `79`
    D
    `709`
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