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The atomic mass of `.^(16)O` is `15.995` amu while the individual masses of proton and neutron are `1.0073` amu and `1.0087` amu respectively. The mass of electron is `0.000548` amu. Calculate the binding energy of the oxygen nucleus. |
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Answer» Correct Answer - `12.38xx10^(-13)J` `._(8)O^(16)` contains 8 protons, 8 electrons, and `16-8=8` neutrons. Mass defect `=Deltam=[Zn_(H)+(A-Z)m_(n)]-M` ` Deltam=[8xx1.0073+8xx1.0087]-15.595` `=[8.0584+8.0696]-15.995` `=16.128-15.995` `0.133am u` Total binding energy `=0.133xx931.5 MeV` `=123.8895MeV` Binding energy per nucleon `=(123.8895)/(16)` `=7.743MeV` `=7.743xx10^(6)eV` ltbr. `=7.743xx10^(6)xx1.6xx10^(-19)J` `=12.38xx10^(-13)J` |
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