1 , g of hydrogen is converted into 0.993 , g | vedclass

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(B) The mass defect $\Delta m$ is the difference between the initial mass and the final mass.$\Delta m = 1 \, g - 0.993 \, g = 0.007 \, g = 0.007 	im

Vedclass · Accepted Answer

$63 	imes 10^{10} \, J$

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(B) The mass defect $\Delta m$ is the difference between the initial mass and the final mass.$\Delta m = 1 \, g - 0.993 \, g = 0.007 \, g = 0.007 	imes 10^{-3} \, kg = 7 	imes 10^{-6} \, kg$.According to Einstein's mass-energy equivalence principle,the energy released $E$ is given by $E = \Delta m c^2$,where $c = 3 	imes 10^8 \, m/s$ is the speed of light.$E = (7 	imes 10^{-6} \, kg) 	imes (3 	imes 10^8 \, m/s)^2$$E = 7 	imes 10^{-6} 	imes 9 	imes 10^{16} \, J$$E = 63 	imes 10^{10} \, J$.

$1 \, g$ of hydrogen is converted into $0.993 \, g$ of helium in a thermonuclear reaction. The energy released is

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