Post Utme Aaua 2024 Physics Question 23

Practice objective / multiple choice question 23 from the 2024 Post Utme Aaua Physics examination.

Post Utme Aaua 2024 Physics Objective / Multiple Choice
Question 23 POST_UTME_AAUA • 2024 • 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. 50 Bq
B. 25 Bq
C. 12.5 Bq
Correct Answer D. 6.25 Bq
Correct Answer
D
Correct Option:
6.25 Bq

About This Question

This is Post Utme Aaua 2024 Physics Question 23. It is one of the objective questions from the 2024 Post Utme Aaua Physics examination.

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