The half-life of U^238 is 4.5xx10^9 y. ...

The half-life of `U^238` is `4.5xx10^9` y. In any radioactive sample if 1 g. of that element remains present then determine the activity of the sample in curie unit.
(Avogadro number = `6.023xx10^23`).

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The half-life of `U^238` is `4.5xx10^9` y. In any radioactive sample if 1 g. of that element remains present then determine the activity of the sample in curie unit.(Avogadro number = `6.023xx10^23`).

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The half-life of `U^238` is `4.5xx10^9` y. In any radioactive sample if 1 g. of that element remains present then determine the activity of the sample in curie unit.
(Avogadro number = `6.023xx10^23`).