Grade upto college level General Physics
Why is heavy water preferred as the moderator in a nuclear reactor?
1 Answer
Vikas TU
Heavy water is used in certain types of nuclear reactors, where it acts as a neutron moderator to slow down neutrons so that they are more likely to react with the fissile uranium-235 than with uranium-238, which captures neutrons without fissioning. The CANDU reactor uses this design.
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