Waec Model Questions Vol1 2025 Physics Question 45
Practice objective / multiple choice question 45 from the 2025 Waec Model Questions Vol1 Physics examination.
A radioactive substance has a half-life of 5 years. If the initial quantity is 80 g, how much of the substance will remain after 15 years?
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About This Question
This is Waec Model Questions Vol1 2025 Physics Question 45. It is one of the objective questions from the 2025 Waec Model Questions Vol1 Physics examination.
Difficulty level: Hard .
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