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The half life of a radioactive element i...

The half life of a radioactive element is T and its initial activity at `t=0` is `A_(0)` and at `t=t` it is A, then

A

`A=A_(0) 2^(t//T)`

B

`A=A_(0)(2t)^(T)`

C

`A_(0)=A 2^(t//T)`

D

`A_(0)=A 2^(-t//T)`

Text Solution

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The correct Answer is:
C
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