Nuclear Physics and RadioactivityHard
Question
For a radioactive sample, at given instant, number of active nuclei is N and its decay constant is λ then the incorrect relation is-
Options
A.Nλ = activity at given instant.
B.λ = decay probability per unit time of a nucleus.
C.After the next 
time interval, active nuclei in the sample will be N
time interval, active nuclei in the sample will be ND.The half life of the sample = 
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