Post Utme Madonna University 2017 Physics Question 12

Practice objective / multiple choice question 12 from the 2017 Post Utme Madonna University Physics examination.

Post Utme Madonna University 2017 Physics Objective / Multiple Choice

Question 12 POST_UTME_MADONNA_UNIVERSITY • 2017 • PHYSICS • objective

A radioactive sample decays from 100 mg to 50 mg in 10 days. If the half-life of the sample is 20 days, calculate the decay cons\tant (λ) u\sing the formula: λ = ln(2)/t1/2.

Answer Options

A. 0.05 d^-1

Correct Answer B. 0.10 d^-1

C. 0.15 d^-1

D. 0.20 d^-1

Correct Answer

Correct Option:

0.10 d^-1

About This Question

This is Post Utme Madonna University 2017 Physics Question 12. It is one of the objective questions from the 2017 Post Utme Madonna University Physics examination.

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