1.

A radionuclide with half life T is produced in a reactor ar a constant rate P nuclei per second. During each decay, energy E_(0) is releaxsed. If production of radionuclide is started at t=0 The number of nuclei in the radionuclide at time .t.is

Answer»

`N=(PT)/(log_(e)2)[1-e^(-((log_(e)2)/(t))t)]`
`N=(PT)/(log_(e)2)[1-e^(-((log_(e)4)/(t))t)]`
`N=(PT)/(log_(e)4)[1-e^(-((log_(e)2)/(T))t)]`
`N=(PT)/(log_(e)2)[1+e^(-((log_(e)2)/(T))t)]`

ANSWER :A


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