Post Utme Aaua 2020 Physics Question 18

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

Post Utme Aaua 2020 Physics Objective / Multiple Choice
Question 18 POST_UTME_AAUA • 2020 • PHYSICS • objective

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

Answer Options

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

About This Question

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

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