Post Utme Delsu 2017 Physics Question 16
Practice objective / multiple choice question 16 from the 2017 Post Utme Delsu Physics examination.
A radioactive sample of uranium-238 decays into thorium-234 with a half-life of 4.5 billion years. If the initial mass of uranium-238 is 100 g, what is the mass of thorium-234 after 9 billion years?
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About This Question
This is Post Utme Delsu 2017 Physics Question 16. It is one of the objective questions from the 2017 Post Utme Delsu Physics examination.
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