Q.

The decay constant of radioactive sample is L The haif life and mean life of the sample are respectively given by

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a

1/λ and loge⁡2/λ

b

loge⁡2/λ and 1/λ

c

λloge⁡2 and 1/λ

d

1/λ and λloge⁡2

answer is B.

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Detailed Solution

Half life =λ1/2=loge⁡2/λ  and mean life =τ=1/λ
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