1.

Nuclei of a radioactive element 'A' are being produced at a constant rate alpha the element has a decay constant lambda At time t=0 there are N_(0) nuclei of the element If alpha=2N_(0)lambdathe number of nuclei of A afterundergone radioactivity decay till time t=(l n2) / lambda:

Answer»

`0.5N_(0)`
`1.5N_(0)`
`((4 l n2-1)N_(0))/2`
`((4L n2-3)N_(0))/2`

ANSWER :C


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