Q.
Which equation is true for transient equilibriunn?(λ= disintegration constant; t= half-life )
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a
NA λA=NB λB
b
NA t B= NB tA
c
Both (a) and (b)
d
NA tA = NB tB
answer is C.
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Detailed Solution
.Radioactive equilibrium is when the decay rate of a radioactive isotope equals the production rate of that isotope by another source. If we multiply the decay constant ( λ ), which is radioactive-activity-per-second, by the number of atoms available to decay (N) we get a radioactive decay rate
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