1.

Half-life of a radioactive disintegration (A rarr B) having rate constant 231 s^(-1) is

Answer»

`3.0 XX 10^(-2) s`
`3.0 xx 10^(-3) s`
`3.3 xx 10^(-2) s`
`3.3 xx 10^(-3) s`

SOLUTION :`t_(1//2) = (0.693)/(LAMDA) = (0.693)/(231 s^(-1)) = 3.0 xx 10^(-3) s`


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