A certain radioactive element disintegrates with a decay constant of 
. At a given instant of time, if the activity of the sample is equal to 
disintegration/second, then number of nuclei at that instant of time is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Given, Decay constant, 
second Activity, 
Let 
be the number of nuclei at the instant.
Activity, 
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