Question
What is nuclear binding energy?

Answer

Nuclear binding energy : When nuclear particles interact under nuclear forces, then work is done by the system through strong nuclear interaction and the system attains a bound state. The energy that is released in this process to achieve this bound state is obtained through mass defect. This is nuclear binding energy. The total binding energy of any nucleus depends on the number of nucleons present and the value of per-nucleon binding energy $\left(\frac{\Delta E }{ A }\right)$ represents the stability of the nucleus.
Therefore, Per nucleon binding energy
$=\frac{\text { Binding energy }}{\text { Mass number }}$
$=\frac{\Delta E}{A}=\frac{(\Delta m) c^2}{A} \text { joule }$
If mass is expressed as a.m.u. then binding energy
$=(\Delta m) \times 931 MeV$
Per nucleon binding energy
$=(\Delta m) \times 931 MeV$
Per nucleon binding energy
$=\frac{(\Delta m) \times 931}{A} MeV / \text { nucleon }$

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