a material (often water) used to slow down neutrons in a fission reactor, as slower neutrons are more likely to be captured by nuclei to prompt further fission
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Card 7
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the name given to the quanta of energy electromagnetic waves of frequency f are emitted and absorbed in
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Card 8
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when considering the biological effects of radiation, the chance of developing cancer due to the radiation emitted is 3-5% per sievert
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Card 9
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the time for one complete oscillation of a pendulum or other vibrating system