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The half-life of .(92)^(238)U undergoing...

The half-life of `._(92)^(238)U` undergoing `alpha` - decay is `4.5xx10^(9)` years. What is the activity of 1g sample of `._(92)^(238)U` ?

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The correct Answer is:
`1.23 xx10^(4) ` dps
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