Gce Model Questions Vol1 2020 Physics Question 42
Practice objective / multiple choice question 42 from the 2020 Gce Model Questions Vol1 Physics examination.
A \(2.00\ \text{g}\) sample of pure \(^{226}\text{Ra}\) (atomic mass 226 u, half‑life \(1.60\times10^{3}\ \text{yr}\)) decays through a series of α‑decays until a stable lead isotope is formed. Each α‑particle emitted has an energy of \(4.78\ \text{MeV}\). Determine the total energy released when the entire sample has decayed to stability. Give your answer in joules (J).
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About This Question
This is Gce Model Questions Vol1 2020 Physics Question 42. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Physics examination.
Difficulty level: Hard .
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