Post Utme Nile University 2017 Physics Question 27

Practice objective / multiple choice question 27 from the 2017 Post Utme Nile University Physics examination.

Post Utme Nile University 2017 Physics Objective / Multiple Choice
Question 27 POST_UTME_NILE_UNIVERSITY • 2017 • PHYSICS • objective

A radioactive sample has a half-life of 10 years. If the initial activity is 100 Bq, what is the activity after 20 years?

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 2017 Physics Question 27. It is one of the objective questions from the 2017 Post Utme Nile University Physics examination.

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