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Discuss the cases at which a leakage of radiation has been detected around the nuclear fission...

Discuss the cases at which a leakage of radiation has been detected around the
nuclear fission reactor and why?

Discuss the probability of the neutron interaction with the matter and when it
can cause a fission reaction.

Science   Physics   
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Answer #1

Fukushima nuclear reactor in Japan was shut down in the year 2011 due to radiation leakage. it was a nuclear fission reactor and the leakage of radiation causes massive radiation contamination in surrounding area.

A similar nuclear diaster took place in chernobyl nuclear reactor, Russia in 1986.

In all the cases,the reactor core is damaged and significant amount of radioactive isotopes are released.

A neutron is electrically neutral and its interaction with matter is weak so that it can penetrate deeply.

Neutrons with thermal energies of about 0.025 eV can cause a nuclear fission. Fast nutrons with energy about 2 MeV can not cause nuclear fission as these neutrons penetrates through and the target nucleus can not absorb the neutron.

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