Post Utme Joseph Ayo Babalola University 2019 Physics Question 33

Practice objective / multiple choice question 33 from the 2019 Post Utme Joseph Ayo Babalola University Physics examination.

Post Utme Joseph Ayo Babalola University 2019 Physics Objective / Multiple Choice
Question 33 POST_UTME_JOSEPH_AYO_BABALOLA_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 of the sample 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 Joseph Ayo Babalola University 2019 Physics Question 33. It is one of the objective questions from the 2019 Post Utme Joseph Ayo Babalola University Physics examination.

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