mass defect

Question

Mass defect arises because total mass of nucleus is:

RankGuru · Accepted Answer

The mass defect ($\Delta m$) is the difference between the total mass of the individual nucleons (protons and neutrons) and the actual mass of the stable nucleus. The mass of the nucleus is always slightly less than the sum of the masses of its constituents because some mass is converted into binding energy ($E = \Delta m c^2$) during the formation of the nucleus. This energy is released and accounts for the 'lost' mass.

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More mass defect Practice Questions

Mass defect corresponds to?