Neutrons produced by fission reactions must be slowed by collisions with moderator nuclei before they are effective
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Neutrons produced by fission reactions must be slowed by collisions with moderator nuclei before they are effective in causing further fissions. Suppose an 800-keV neutron loses 40 percent of its energy on each collision. How many collisions are required to decrease its energy to 0.040 eV? (This is the average thermal energy of a gas particle at 35 °C.)
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After one collision the neutron energy is down to 06800 keV After two it is 06 06...View the full answer
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