Post Utme Uniosun 2021 Physics Question 37

Practice objective / multiple choice question 37 from the 2021 Post Utme Uniosun Physics examination.

Post Utme Uniosun 2021 Physics Objective / Multiple Choice
Question 37 POST_UTME_UNIOSUN • 2021 • PHYSICS • objective

A radioactive sample decays according to the equation \( \frac{dN}{dt} = -lambda N \), where $N$ is the number of nuclei and $lambda$ is the decay cons\tant. If the initial number of nuclei is $N_0$ and the decay cons\tant is $lambda$, what is the half-life of the sample?

Answer Options

Correct Answer A. \( \frac{ln 2}{lambda} \)
B. \( \frac{1}{lambda} \)
C. \( \frac{2}{lambda} \)
D. \( \frac{ln 2}{lambda^2} \)
Correct Answer
A
Correct Option:
\( \frac{ln 2}{lambda} \)

About This Question

This is Post Utme Uniosun 2021 Physics Question 37. It is one of the objective questions from the 2021 Post Utme Uniosun Physics examination.

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