Nuclear Fission and Radiation



When a neutron strike the nucleus of a uranium (or plutonium) atom, the nucleus splits, releasing two or three neutrons and a large amount of energy (as radiation, heat, etc.). The neutrons thus released strike other nuclei, and the repetition of this nuclear fission is known as a "chain reaction." When achain reaction occurs in an extremely short time, a tremendous amount of energy is released. The atomic bomb utilized this snergy as a weapon.
@The Nuclear Fission Chain Reaction

 
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