Post Utme Crawford University 2022 Physics Question 22

Practice objective / multiple choice question 22 from the 2022 Post Utme Crawford University Physics examination.

Post Utme Crawford University 2022 Physics Objective / Multiple Choice

Question 22 POST_UTME_CRAWFORD_UNIVERSITY • 2022 • PHYSICS • objective

A radioactive sample of uranium-238 decays into thorium-234 with a half-life of 4.5 × 10^9 years. If the initial activity of the sample is 10^6 Bq, what is the activity of the sample after 1.8 × 10^9 years?

Answer Options

Correct Answer A. 2.5 × 10^5 Bq

B. 5.0 × 10^5 Bq

C. 1.0 × 10^6 Bq

D. 2.0 × 10^6 Bq

Correct Answer

Correct Option:

2.5 × 10^5 Bq

About This Question

This is Post Utme Crawford University 2022 Physics Question 22. It is one of the objective questions from the 2022 Post Utme Crawford University Physics examination.

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