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The nuclear fusion reaction between deuterium and tritium takes placeA. at low temperature and low pressureB. at very high temperature and very high pressureC. when the temperature is near absolute zeroD. at ordinary temperature and pressure

Answer» Correct Answer - B
In particle, the nuclear fusion is a very difficult process. Since, the nuclei to be fused are positively charged, they would repel one another strongly. Hence, they must be brought very close together not only by high pressure but also with high kinetic energy `(~=0.1MeV)`. For this, a temperature of the other of `10^(8)K` is required. Such high temperature are available in the sun and stars. On the earth they may be produced by exploding a nuclear fission bomb.


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