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in Nuclear Physics by (52.2k points)
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Calculate the amount energy released when a radioactive element undergoes fusion and results in a mass defect of 4g

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Velocity of light = 3 × 108 m/s 

Mass defect Δm = 4 × 10-3 

By Einstein’s equation, energy released 

E = mC2 

= (4 × 10-3) × (3 × 108)2 

= 36 × 1013

= 3.6 × 1014 J

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