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QAIPMT-2010-Ph-2059: NEET 2010 Physics - Class 12 AIPMT-2010-Ph-2059 Solution: The activity of a radioactive sample is measured as \(N_0\)…
The activity of a radioactive sample is measured as counts per minute at t = 0 and counts per minute at t = 5 minutes. The time (in minutes) at which the activity reduces to half its value is
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Step-by-Step Verified Solution
Now N = N 0 e � _ t
_ N 0 e = N 0 e �5t
_ _ = 1 5 per minute
Further, N 0 2 = N 0 e �_(t)
t = 1 _ ln _ 2 = 5log e 2