When 92U235 undergoes fission, 0.1% of its original mass is changed into energy. 9×10xJ of energy is released if 1kg of 92U235 undergoes fission, then the value of x is ___
A
92
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B
23
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C
13
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D
33
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Solution
The correct option is C 13 Given,
Mass defect = 0.1% of 1kg
By using E=Δm.c2, where E = Energy, Δm = Mass defect and c = Speed of light