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  4. 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 1u = 931 MeV)

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Q. 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 1u = 931 MeV)

NEETNEET 2013

Solution:

Energy released per u
$ = \left( \frac{0.02866}{4} \right) (931 MeV ) = 6.675 \, MeV $