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Mean life of a radioactive sample is 100...

Mean life of a radioactive sample is 100s . Then ,its half-life (in min) is

A

0.693

B

1

C

`10^(-4)`

D

1.155

Text Solution

Verified by Experts

The correct Answer is:
D
Mean life, `T=1//lamda=100s`
Hilf life `=(0.693)/(lamda)=(0.693xx100)/(60)=1.155` min
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