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A fraction f1 of a radioactive sample de...

A fraction `f_1` of a radioactive sample decays in one mean life, and a fraction `f_2` decays in one half life. Then

A

`f_1 gt f_2`

B

`f_1 lt f_2`

C

`f_1=f_2`

D

May be (a), (b) or (c) depending on the values of the mean life and half-life.

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A
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