Post Utme Futa 2020 Physics Question 14

Practice objective / multiple choice question 14 from the 2020 Post Utme Futa Physics examination.

Post Utme Futa 2020 Physics Objective / Multiple Choice
Question 14 POST_UTME_FUTA • 2020 • PHYSICS • objective

A radioactive sample decays with 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

Correct Answer A. 12.5 Bq
B. 25 Bq
C. 37.5 Bq
D. 50 Bq
Correct Answer
A
Correct Option:
12.5 Bq

About This Question

This is Post Utme Futa 2020 Physics Question 14. It is one of the objective questions from the 2020 Post Utme Futa Physics examination.

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