Post Utme Unilorin 2019 Physics Question 16

Practice objective / multiple choice question 16 from the 2019 Post Utme Unilorin Physics examination.

Post Utme Unilorin 2019 Physics Objective / Multiple Choice

Question 16 POST_UTME_UNILORIN • 2019 • PHYSICS • objective

A radioactive sample of Uranium-238 undergoes \alpha decay to form Thorium-234. If the half-life of Uranium-238 is 4.5 billion years, what is the decay cons\tant (λ) in s^-1?

Answer Options

Correct Answer A. 1.54 × 10^-18 s^-1

B. 1.54 × 10^-17 s^-1

C. 1.54 × 10^-16 s^-1

D. 1.54 × 10^-15 s^-1

Correct Answer

Correct Option:

1.54 × 10^-18 s^-1

About This Question

This is Post Utme Unilorin 2019 Physics Question 16. It is one of the objective questions from the 2019 Post Utme Unilorin Physics examination.

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