Mass Energy Equivalent

If , ${}_{}$, and denote the masses of the nucleus proton, and neutron respectively in units of and represent its binding energy in . Then:

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The power obtained in a reactor using ${\mathrm{}}^{}$disintegration is . The mass decay of ${\mathrm{}}^{}$per hour is approximately equal to:
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A certain mass of hydrogen is changed to Helium by the process of fusion. The mass defect in the fusion reaction is The energy liberated per nucleon is:
(given )
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