Post Utme Bells University 2019 Physics Question 3

Practice objective / multiple choice question 3 from the 2019 Post Utme Bells University Physics examination.

Post Utme Bells University 2019 Physics Objective / Multiple Choice
Question 3 POST_UTME_BELLS_UNIVERSITY • 2019 • PHYSICS • objective

A 10 μCi source of 226 Ra decays by \alpha emission. What is the activity of the source after 2 half-lives?

Answer Options

A. 5 μCi
B. 2.5 μCi
C. 1.25 μCi
Correct Answer D. 0.625 μCi
Correct Answer
D
Correct Option:
0.625 μCi

About This Question

This is Post Utme Bells University 2019 Physics Question 3. It is one of the objective questions from the 2019 Post Utme Bells University Physics examination.

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