A certain mass of Hydrogen is changed to Helium by the process of fusion. The mass defect in fusion reaction is 0.02866 u. The energy liberated per u is – (Given 1 u = 931 MeV)
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The energy associated with 1u =931MeV
Hence energy liberated = 0.02866X931MeV= 26.7 MeV
As _{1}^{2}\textrm{H}+_{1}^{2}\textrm{H}\rightarrow _{2}^{4}\textrm{He}
\therefore Energy liberated per unit = \frac{26.7}{4}MeV
=6.675 MeV
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