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The radioactive sources A and B of half ...

The radioactive sources A and B of half lives of t hr and 2t hr respectively, initially contain the same number of radioactive atoms. At the end of t hours, their rates of disintegration are in the ratio:

A

`2sqrt(2)`

B

`1:8`

C

`sqrt(2):1`

D

`ln 2:1`

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The correct Answer is:
C
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