A) combination of lighter nuclei into bigger nucleus
B) destruction of heavy nucleus into smaller nuclei
C) combustion of oxygen
D) explosion of TNT
Correct Answer: A
Solution :
Fusion bomb or hydrogen bomb works on the principle of nuclear fusion. A hydrogen bomb consists of an arrangement of nuclear fission in the centre. It is surrounded by a mixture of deuterium \[{{(}_{1}}{{H}^{2}})\]and lithium \[-6\] isotope. The nuclear fission provides heat and neutrons. The neutrons are used to convert lithium into \[_{1}{{H}^{3}}\] and the following reaction takes place. Fission (in centre) \[\xrightarrow{{}}\] heat + neutrons \[_{3}L{{i}^{6}}{{+}_{0}}{{n}^{1}}{{\xrightarrow{{}}}_{1}}{{H}^{3}}{{+}_{2}}H{{e}^{4}}+4.78\,MeV\] \[_{1}{{H}^{2}}{{+}_{1}}{{H}^{3}}{{\xrightarrow{{}}}_{2}}H{{e}^{4}}{{+}_{0}}{{n}^{1}}+17.6MeV\] \[_{1}{{H}^{2}}{{+}_{1}}{{H}^{2}}{{\xrightarrow{{}}}_{2}}H{{e}^{3}}{{+}_{0}}{{n}^{1}}+3.3MeV\] \[_{1}{{H}^{3}}{{+}_{1}}{{H}^{3}}{{\xrightarrow{{}}}_{2}}H{{e}^{4}}+{{2}_{0}}{{n}^{1}}+11\,MeV\]
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