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2023 · M/J · 5054/11 | Q38

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CIE-5054-2023-MJ-p11 · Question 38

You may use a calculator. Take the weight of 1.0 kg to be 9.8 N (acceleration of free fall = 9.8 m/s²).
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38 A sample of tritium has a mass of 32mg. Tritium has a half-life of 12 years. How much of the sample of tritium decays in 36 years? A 4.0mg B 8.0mg C 24mg D 28mg

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5054/11/M/J/23Cambridge O Level Physics 5054 · May/June 2023 · Paper 1 variant 1 · Question 38