Post Utme Crawford University 2017 Physics Question 3

Practice objective / multiple choice question 3 from the 2017 Post Utme Crawford University Physics examination.

Post Utme Crawford University 2017 Physics Objective / Multiple Choice
Question 3 POST_UTME_CRAWFORD_UNIVERSITY • 2017 • PHYSICS • objective

A radioactive sample has a half-life of 10 years. If the initial activity is 100 Bq, what is the activity after 30 years?

Answer Options

Correct Answer A. 12.5 Bq
B. 25 Bq
C. 50 Bq
D. 100 Bq
Correct Answer
A
Correct Option:
12.5 Bq

About This Question

This is Post Utme Crawford University 2017 Physics Question 3. It is one of the objective questions from the 2017 Post Utme Crawford University Physics examination.

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