Post Utme Uniben 2019 Physics Question 31

Practice objective / multiple choice question 31 from the 2019 Post Utme Uniben Physics examination.

Post Utme Uniben 2019 Physics Objective / Multiple Choice
Question 31 POST_UTME_UNIBEN • 2019 • PHYSICS • objective

A radioactive sample of Δₗ emits Δₗα particles with a half-life of 5.27 years. If the initial activity is 1.0 µCi, what is the activity after 10.54 years?

Answer Options

A. 0.25 µCi
B. 0.125 µCi
Correct Answer C. 0.0625 µCi
D. 0.03125 µCi
Correct Answer
C
Correct Option:
0.0625 µCi

About This Question

This is Post Utme Uniben 2019 Physics Question 31. It is one of the objective questions from the 2019 Post Utme Uniben Physics examination.

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support