What is binding energy in physics - Binding energy per nucleon - eSaral

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Binding energy

1. The energy required to break a nucleus into its constituent nucleons and place them at an infinite distance is called binding energy.
   
   
2. The energy equivalent to mass defect is called binding energy.
   
3. This is the energy with which the nucleons are held together.
   
4. The binding energies $(\sim \mathrm{MeV})$ are very large as compared to molecular binding energies
   
   $(\sim \mathrm{eV})$
   
   Binding energy
   
   $B E=(\Delta m) c^{2}$
   
   $=c^{2}\left[Z m_{p}+(A-Z) m_{n}-M\left(z X^{A}\right)\right]$
   
   the rest mass of protons + rest mass of neutrons = rest mass of nucleus + BE

Binding energy per nucleon

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