ICSE BoardEnglish MediumSTD 10PhysicsRadioactivity3 Marks
Question
State two difference between the process of nuclear fission or fusion.
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Answer
Nuclear fission: A heavy nucleus splits in two nearly equal light fragments when bombarded with neutrons. It is possible at very ordinary temperature and pressureNuclear fusion: Two light nuclei combine to form a heavy nucleus at very high temperature and high pressure. Possible only at a very high temperature ($≈10^7 K$) and a very high pressure.
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