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A radioactive sample with a half-life of...

A radioactive sample with a half-life of `1` month has the label : 'Activity=
`2` microcurie on 1-8-1991'. What would be its avtivity two months earlier?

A

`1.0` microcurie

B

`0.5` microcurie

C

`4` microcurie

D

`8` microcurie

Text Solution

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The correct Answer is:
D
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