Nuclear Physics and RadioactivityHard
Question
The decay constant of radio isotope is λ. If A1 A2 are its activities at time t1 and t2 respectively, the number of nuclei which have decayed during the time (t1 - t2)
Options
A.A1t1 - A2t2
B.A1 - A2
C.(A1 - A2)/λ
D.λ(A1 - A2)
Solution
A1 = λ N1 at time t1
A2 = λ N2 at time t2
Therefore, number of nuclie decayed during time internal (t1 - t2) is
N1 - N2 =
A2 = λ N2 at time t2
Therefore, number of nuclie decayed during time internal (t1 - t2) is
N1 - N2 =
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