Explain mass defect and binding energy.

Define binding energy.

Write a short note on nuclear binding energy.

Obtain the binding energies of the nuclei _26^56Fe and _83^209Bi in units of MeV from the given data. m_H=1.007824amu m_n = 1.008665amu m(_26^56Fe)=55.934939amu m(_83^209Bi)=208.980388 amu 1 amu= 931.5 Mev Which nucleus has greater binding energy per nucleo?