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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)

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a

2.67 MeV

b

6.675 MeV

c

26.7 MeV

d

13.35 MeV

answer is C.

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Detailed Solution

B.E=Δm×931Mev=0.02866×931MevBE¯=BEA=26.684=6.67Mev

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