NEET UG PHYSICS MCQ: NUCLEI

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Application +4 | -1

The activity of a radioactive sample is measured as

{N_0}

count per minute at t=0 and

\frac{{{N_0}}}{{{e^2}}}

counts per minute at t=10 minutes. The time (in minute) at which the activity reduce to half its initial value

View answer and explanation

Correct option: C

5\ln 2

Option C (

5\ln 2

) is correct because it is the time at which the activity reduces to half its initial value, derived from the radioactive decay law.

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\left({ }_{92}^{235} \mathrm{U}\right)

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