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In any nuclear reaction 1/1000 part of t...

In any nuclear reaction `1/1000` part of the mass of a particular substance is converted into energy. If 1 g of that substance takes part in a nuclear reaction then determine the energy evolved in kilowatt-hour

Text Solution

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Energy converted `=1/1000xx1`=0.001 g
`therefore ` Energy evolved ,
`E=mc^2 = 0.001xx(3xx10^10)^2`
`=9xx10^17` erg =`9xx10^10` J =`9xx10^10` W-s
`=(9xx10^10)/(1000xx3600)` kW.h = 25000 kW.h
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