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Taking the value of atomic masses from the tables, calculate the energy per nucleon which is liberated in the nuclear reaction `Li^(6)+H^(2)rarr2He^(4)`. Compare the obtained magnitude with the energy per nucleon liberated in the fission of `U^(235)` nucleus. |
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Answer» The energy realesed in the reaction `Li^(6)+H^(2)rarr2He^(4)` is `Delta_(Li^(6))+Delta_(H^(2))-2Delta_(He^(4))` `=0.01513+0.01410-2xx0.00260am u` `=0.02403 am u= 22.37MeV` (This resut for change in `B.E`. Is correct because the contribution of `Delta_(n) & Delta_(H)` cancels out by conservation law for protons & neutrons). Energy per nucleon is then `(22.37)/(8)= 2.796MeV//n ucl eon`. This should be compared with the value `(200)/(235)=0.85MeV//"nucleon"` |
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