Post Utme Noun 2023 Physics Question 38

Practice objective / multiple choice question 38 from the 2023 Post Utme Noun Physics examination.

Post Utme Noun 2023 Physics Objective / Multiple Choice
Question 38 POST_UTME_NOUN • 2023 • 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. 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 Noun 2023 Physics Question 38. It is one of the objective questions from the 2023 Post Utme Noun Physics examination.

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