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Calculate the mass defect and binding en...

Calculate the mass defect and binding energy per nucleon for an alpha particle (containing two protons and two neutrons) whose actual mass is 4.0028 amu (mass of proton = 1.00759 amu, mass of nuetron = 1.00898 amu).

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`alpha`-particle has 2p and 2n
`:.` Mass of 2p+2n in `alpha`-particle`=(2xx1.0073)+(2xx1.0087)=4.032` amu
Actual mass of a-particle (given)=4.0028 amu
`:. ` Mass defect `=4.032-4.0028=0.0292` amu.
Now BE=Mass defect`xx931=0.0292xx931=27.1852`MeV
`:. "BE"//"Nucleon"=(27.1852)/(4)=6.7963 "MeV"`
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