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The graph shows the log of activity (log...

The graph shows the log of activity (`log R`) of a radioactive material as a function of time `t` in minutes

The half -life (in minutes) for the decay is closest to

A

`2.1`

B

`3.0`

C

`3.9`

D

`4.4`

Text Solution

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The correct Answer is:
B
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