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2025 · O/N · 5054/11 | Q37

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CIE-5054-2025-ON-p11 · Question 37

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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37 A smoke alarm contains a radioactive source, S. The useful emissions from S are blocked by a few centimetres of air. What is the useful radioactive radiation emitted by S? A alpha and gamma B alpha only C beta and gamma D beta only

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5054/11/O/N/25Cambridge O Level Physics 5054 · Oct/Nov 2025 · Paper 1 variant 1 · Question 37