Post Utme Osustech 2020 Physics Question 18

Practice objective / multiple choice question 18 from the 2020 Post Utme Osustech Physics examination.

Post Utme Osustech 2020 Physics Objective / Multiple Choice
Question 18 POST_UTME_OSUSTECH • 2020 • PHYSICS • objective

A radioactive sample decays with a half-life of $T_{1/2}$. What is the activity of the sample after a time $t$?

Answer Options

Correct Answer A. A_0 \left\( \frac{1}{2} \right \)^{t/T_{1/2}}
B. A_0 \left\( \frac{1}{2} \right \)^{T_{1/2}/t}
C. A_0 \left\( \frac{1}{2} \right \)^{t/T_{1/2}} + A_0
D. A_0 \left\( \frac{1}{2} \right \)^{T_{1/2}/t} + A_0
Correct Answer
A
Correct Option:
A_0 \left\( \frac{1}{2} \right \)^{t/T_{1/2}}

About This Question

This is Post Utme Osustech 2020 Physics Question 18. It is one of the objective questions from the 2020 Post Utme Osustech Physics examination.

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