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Half-life of (14)C is :...

Half-life of (14)C is :

A

`2xx10^(2)` yr

B

`3xx10^(3)` yr

C

`3.3xx10^(4)` yr

D

`4xx10^(3)` yr

Text Solution

Verified by Experts

The correct Answer is:
B
Radio active decay is first order reaction
So `lambda =(0.69)/(t_(1//2)`
`t_(1//2)=(0.693)/(2.31xx10^(-4))yr`
`=0.3xx10^(4)`
`=3xx10^(3)yr`
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