Nuclear fission
Quiz by Peter Clarke
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18 questions
Show answers
- Q1Fission can either be induced or...spontaneous30s
- Q2What is absorbed by a fissionable nucleus which causes it to become more unstable?alpha particleneutronelectronproton20s
- Q3The only fissionable elementsuranium and protactiniumplutonium and thoriumuranium and plutoniumuranium and neptunium20s
- Q4Slows down the neutrons in a reactor to increase the chance of fissionsmoderator30s
- Q5Absorbs neutrons to control the rate of fissionconcrete shieldingcontrol rodsmoderatorreactor core20s
- Q6Enriched uranium contains about 2-3%Uranium-235Uranium-239Uranium-238Uranium-23620s
- Q7Charge of an alpha particle+1+2-1-220s
- Q8When the parent nucleus splits, as well as neutrons, what is produced?fragment nuclei30s
- Q93 neutrons are always released by fissionFALSETRUE20s
- Q10Not a problem with nuclear energyLarge amounts of energy releasedRadiationRisk of disasterDisposal of waste20s
- Q11Half-life: time taken for the ________ ______ to halve.count rate30s
- Q12Most penetrating radiationbetaalphagammaIR20s
- Q13Least ionising radiationbetagammaIRalpha20s
- Q14Major advantage of ultrasound over X-raysbetter imageNon-ionising3D imagecolour image20s
- Q15Different forms of the same elementisotopes20s