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2023 · M/J · 5054/12 | Q38

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CIE-5054-2023-MJ-p12 · 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 What is the purpose of moderators in nuclear reactors? A to absorb all the neutrons in order to stop the chain reaction B to produce more neutrons in order to create a chain reaction C to remove thermal energy in order to control the chain reaction D to slow down neutrons in order to continue the chain reaction

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5054/12/M/J/23Cambridge O Level Physics 5054 · May/June 2023 · Paper 1 variant 2 · Question 38