Post Utme Nile University 2021 Physics Question 21

Practice objective / multiple choice question 21 from the 2021 Post Utme Nile University Physics examination.

Post Utme Nile University 2021 Physics Objective / Multiple Choice
Question 21 POST_UTME_NILE_UNIVERSITY • 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 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 Nile University 2021 Physics Question 21. It is one of the objective questions from the 2021 Post Utme Nile University Physics examination.

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