Post Utme Nile University 2019 Physics Question 19

Practice objective / multiple choice question 19 from the 2019 Post Utme Nile University Physics examination.

Post Utme Nile University 2019 Physics Objective / Multiple Choice
Question 19 POST_UTME_NILE_UNIVERSITY • 2019 • PHYSICS • objective

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

Answer Options

A. 25 Bq
Correct Answer B. 50 Bq
C. 75 Bq
D. 100 Bq
Correct Answer
B
Correct Option:
50 Bq

About This Question

This is Post Utme Nile University 2019 Physics Question 19. It is one of the objective questions from the 2019 Post Utme Nile University Physics examination.

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