Post Utme Futo 2018 Physics Question 8

Practice objective / multiple choice question 8 from the 2018 Post Utme Futo Physics examination.

Post Utme Futo 2018 Physics Objective / Multiple Choice

Question 8 POST_UTME_FUTO • 2018 • PHYSICS • objective

A radioactive sample decays according to the equation $N(t) = N_0 e^{-\lambda t}$, where $N(t)$ is the number of nuclei remaining at time $t$, $N_0$ is the initial number of nuclei, and $\lambda$ is the decay cons\tant. What is the half-life of the sample?

Correct Answer A. \frac{\ln 2}{\lambda}

B. \frac{\ln 2}{\lambda^2}

C. \frac{\lambda}{\ln 2}

D. \frac{\lambda^2}{\ln 2}

Correct Answer

Correct Option:

\frac{\ln 2}{\lambda}

This is Post Utme Futo 2018 Physics Question 8. It is one of the objective questions from the 2018 Post Utme Futo Physics examination.

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