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)

1. A. 2.67 MeV
2. B. 26.7 MeV
3. C. 6.675 MeV
4. D. 13.35 MeV

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