Question on: WAEC Physics - 2005
The mass of a proton is 1.0089(\mu) and that of a neutron is 1.0089(\mu). Determine the energy evolved in stabilizing the nucleus of nitrogen of mass number 14 with 7 protons and 7 neutrons. [speed of light = 3.0 x 108ms-1; 1(\mu) = 1.67 x 10-27kg]
A
1.710 x 10-8J
B
3.131 x 10-8J
C
1.476 x 10-8J
D
2.332 x 10-9J
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Correct Option: D
E = DMC2 = 14,1141 x 1.67 x 10-27 x 9 x 1016
= 2.332 x 10-9J
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