Post Utme Futo 2018 Physics Question 36

Practice objective / multiple choice question 36 from the 2018 Post Utme Futo Physics examination.

Post Utme Futo 2018 Physics Objective / Multiple Choice
Question 36 POST_UTME_FUTO • 2018 • 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 20 days?

Answer Options

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

About This Question

This is Post Utme Futo 2018 Physics Question 36. It is one of the objective questions from the 2018 Post Utme Futo Physics examination.

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