A-level Physics · Binding energy
Binding energy per nucleon
Turn a mass defect in u into MeV with 1 u = 931.5 MeV, then divide by the nucleon number.
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Question 1
A nucleus of lithium-7 contains 3 protons and 4 neutrons and has a mass of 7.014357 u. Calculate the binding energy of the nucleus, in MeV. Use: mass of a proton = 1.007276 u, mass of a neutron = 1.008665 u and 1 u = 931.5 MeV. Give your answer to 3 significant figures.
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