Nuclear Physics and RadioactivityMedium
Question
The radioactivity of a sample is R1 at a time T1 and R2 at a time T2. If the mean life of the specimen is T, the number of atoms that have disintegrated in the time (T2 - T1) is :-
Options
A.R1T1 − R2T2
B.R1 − R2
C.
D.(R1 − R2) T
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