← all questions · Physics · 0625 · Paper 3
A radioactive isotope has a half-life of 6.0 years. A sample of this isotope has a mass of 12 mg.
Calculate the mass of this isotope that remains in the sample after 18 years.
0625/03/SP/23Cambridge IGCSE Physics 0625 · Specimen 2023 · Paper 3 · Question 11(b)
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Suggested time: 5 min