Post Utme Unilag 2025 Physics Question 9

Practice objective / multiple choice question 9 from the 2025 Post Utme Unilag Physics examination.

Post Utme Unilag 2025 Physics Objective / Multiple Choice
Question 9 POST_UTME_UNILAG • 2025 • PHYSICS • objective

A radioactive sample has a half-life of 10 years. If the initial activity of the sample is 100 Bq, what is the activity of the sample 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 Unilag 2025 Physics Question 9. It is one of the objective questions from the 2025 Post Utme Unilag Physics examination.

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