Post Utme Afe Babalola University 2018 Physics Question 18

Practice objective / multiple choice question 18 from the 2018 Post Utme Afe Babalola University Physics examination.

Post Utme Afe Babalola University 2018 Physics Objective / Multiple Choice
Question 18 POST_UTME_AFE_BABALOLA_UNIVERSITY • 2018 • PHYSICS • objective

A radioactive sample decays according to the equation N(t) = N0e^\( -λt \), where N(t) is the number of nuclei remaining after time t, N0 is the initial number of nuclei, λ is the decay cons\tant, and t is time. If the half-life of the sample is 10 years, determine the decay cons\tant.

Answer Options

Correct Answer A. 0.0693 yr^\( -1 \)
B. 0.693 yr^\( -1 \)
C. 0.069 yr^\( -1 \)
D. 0.693 yr^\( -1 \)
Correct Answer
A
Correct Option:
0.0693 yr^\( -1 \)

About This Question

This is Post Utme Afe Babalola University 2018 Physics Question 18. It is one of the objective questions from the 2018 Post Utme Afe Babalola University Physics examination.

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