# Number of Collisions in a Nuclear Reactor

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Examine the effectiveness of graphite as a moderator in the nuclear reactors by calculating how much energy a 2 MeV neutron loses in a head on collision with a 12C nucleus. Extend this calculation to find out how many such collisions are required to reduce the neutron kinetic energy to 0.025 eV.

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The role of a moderator in a nuclear reactor is to slow down the speed of neutrons to thermal energies. In the head-on collision the neutron will bounce back from the more massive graphite ( carbon nucleus ) . Considering a general nucleus of atomic ...

#### Solution Summary

The numbers of collisions in a nuclear reactors are determined. The neutron kinetic energy for nucleus are examined.

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