Question on: JAMB Physics - 2000
In a thermonuclear reaction, the total initial mass is 5.02 x 10-27kg and the total final mass is 0.01 x 10-27kg. The energy released in the process is
[c = 3.0 x 108ms-1]
A
9.0 x 10-13J
B
9.0 x 10-12J
C
9.0 x 10-11J
D
9.0 x 10-10J
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Correct Option: A
In thermonuclear reactions,
Energy = ∆mC2
∆m = Change in Mass
C = Speed of light
∴ 5.02 x 10-27 - 5.01 x 10-27 x [3 x 108]2
0.01 x 10-27 x 9 x 1016
E = 9.0 x 10-13J
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