in a nuclear fission process the mass defect wa... - WAEC Physics 2015 Question
in a nuclear fission process, the mass defect was 1.2 x 10-5kg. Calculate the energy released. [speed of the light in vacuum = c = 3.0 x 108ms-1]
A
1.08 x 1011J
B
5.20 x 1011J
C
1.08 x 1012J
D
2.50 x 1013J
correct option: c
E - Mec2
E = 1.2 x 10-5 x (3 x 108)2
E = 1.08 x 1012J
E = 1.2 x 10-5 x (3 x 108)2
E = 1.08 x 1012J
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