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9(b)(ii)3 marks

Radioactive isotope X decays to isotope Y. A sample contains only nuclei of X at time t = 0.

State three conclusions about X or Y that may be drawn from Fig. 9.1. The conclusions may be qualitative or quantitative.

9702/41/M/J/24Cambridge International AS & A Level Physics 9702 · May/June 2024 · Paper 4 variant 1 · Question 9(b)(ii)

Fig. 9.1 — see the question text for what it shows

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Suggested time: 5 min