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The Nucleus — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsThe Nucleus1 Mark
Question
Calculate the minimum energy needed to separate a neutron from a nucleus with $Z$ protons and $N$ neutrons it terms of the masses $M_{Z.N,} M_{Z,N-1}$ and the mass of the neutron.
✓

Answer

$\text{E}_2\text{N}=\text{E}_{\text{Z,N}-1}+\text{ }^1_0\text{n}.$
Energy released $= ($Initial Mass of nucleus $-$ Final mass of nucleus$)c^2 $
$= (M_{Z.N-1} + M_0 - M_{ZN})c^2.$

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