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Express the enenrgy of big bang in eV...

Express the enenrgy of big bang in eV

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Hint : Energy of big bang `=10^(68)J`
`1.6xx10^(-19)J=1eV`
`"Energy of big bang"=(10^(68)J)/(1.6xx10^(-19)"J/eV")~=6.25xx10^(86)eV`
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