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Calculate the binding energy of an alpha...

Calculate the binding energy of an `alpha`-particles. Given that mass of proton`=1.0073u`, mass of neutron`=1.0087 u`. And mass of `alpha`-particle `=4.0015 u`.

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`m_(P)=1.0073u, m_(N)=1.0087u, M=4.001 5u`
`N=A-Z=4-2=2 ( because_(2) He^(4)=._(z)X^(A))`
`B.E= Delta mx931.5 MeV`
`{[Zm_(p)+(A-Z)m_(n)]-M}xx931.5`
`[[(2xx1.0073)+(2xx1.0087)-4.0015]]xx931.5 MeV`
`=0.0305xx931.5 MeV , BE=28.4 MeV`
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