Post Utme Aaua 2025 Physics Question 13

Practice objective / multiple choice question 13 from the 2025 Post Utme Aaua Physics examination.

Post Utme Aaua 2025 Physics Objective / Multiple Choice
Question 13 POST_UTME_AAUA • 2025 • PHYSICS • objective

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

Answer Options

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

About This Question

This is Post Utme Aaua 2025 Physics Question 13. It is one of the objective questions from the 2025 Post Utme Aaua Physics examination.

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