Post Utme Noun 2021 Physics Question 36

Practice objective / multiple choice question 36 from the 2021 Post Utme Noun Physics examination.

Post Utme Noun 2021 Physics Objective / Multiple Choice
Question 36 POST_UTME_NOUN • 2021 • PHYSICS • objective

A radioactive sample emits \alpha particles with a half-life of 5 days. If the initial activity is 100 Bq, what is the activity after 15 days?

Answer Options

A. 50 Bq
B. 25 Bq
Correct Answer C. 12.5 Bq
D. 6.25 Bq
Correct Answer
C
Correct Option:
12.5 Bq

About This Question

This is Post Utme Noun 2021 Physics Question 36. It is one of the objective questions from the 2021 Post Utme Noun Physics examination.

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