Post Utme Crawford University 2020 Physics Question 23

Practice objective / multiple choice question 23 from the 2020 Post Utme Crawford University Physics examination.

Post Utme Crawford University 2020 Physics Objective / Multiple Choice
Question 23 POST_UTME_CRAWFORD_UNIVERSITY • 2020 • PHYSICS • objective

A radioactive sample has an initial activity of 100 Bq. If the half-life of the sample is 10 minutes, what is the activity of the sample after 20 minutes?

Answer Options

A. 50 Bq
B. 25 Bq
Correct Answer C. 12.5 Bq
D. 6.25 Bq
Correct Answer
C
Correct Option:
12.5 Bq

About This Question

This is Post Utme Crawford University 2020 Physics Question 23. It is one of the objective questions from the 2020 Post Utme Crawford University Physics examination.

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