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निम्न ड्यूटीरियम-ट्राइटियम संलयन अभिक्रिया में विमुख्त ऊर्जा की गणना MeV में कीजिए -
`""_(1)^(2)H_(1)^(3)H to""_(2)^(4)"He"+n`
दिया है - `m(""_(1)^(2)H)=2.014102"u"`
`m(""_(1)^(3)H)=3.016049"u"`
`m(""_(2)^(4)"He")=4.002603"u"`
`m_(u)=1.008665"u"`
`1u=931.5("MeV")/(c^(2))`.

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द्रव्यमान क्षति `DeltaM=(""_(1)^(2)H+""_(1)^(3)H)" का द्रव्यमान "-(""_(2)^(4)"He"+n)` का द्रव्यमान
`=(2.014102+3.016049)-(4.002603+1.008665)`
`=(5.030151-5.011268)=0.018883"u"`
अत: विमुक्त ऊर्जा `Q=Delta"Mc"^(2)`
`=0.018883"u"xx"c"^(2)`
`=0.018883xx931.5" MeV"//"c"^(2)xx"c"^(2)`
`=17.5895" MeV."`

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