Post Utme Lead City University 2025 Physics Question 2

Practice objective / multiple choice question 2 from the 2025 Post Utme Lead City University Physics examination.

Post Utme Lead City University 2025 Physics Objective / Multiple Choice
Question 2 POST_UTME_LEAD_CITY_UNIVERSITY • 2025 • PHYSICS • objective

A radioactive sample decays according to the equation N(t) = N0e^\( -λt \), where N(t) is the number of nuclei remaining at 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 minutes, what is the decay cons\tant λ?

Answer Options

A. 0.0693 min^\( -1 \)
Correct Answer B. 0.693 min^\( -1 \)
C. 6.93 min^\( -1 \)
D. 69.3 min^\( -1 \)
Correct Answer
B
Correct Option:
0.693 min^\( -1 \)

About This Question

This is Post Utme Lead City University 2025 Physics Question 2. It is one of the objective questions from the 2025 Post Utme Lead City University Physics examination.

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