Post Utme Unn 2020 Physics Question 11

Practice objective / multiple choice question 11 from the 2020 Post Utme Unn Physics examination.

Post Utme Unn 2020 Physics Objective / Multiple Choice
Question 11 POST_UTME_UNN • 2020 • 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 10 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 Unn 2020 Physics Question 11. It is one of the objective questions from the 2020 Post Utme Unn Physics examination.

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