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JEE Mains · Physics · STD 12 - Nuclei
  • JEE Mains 2022
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  • MCQ

Nucleus A is having mass number \(220\) and its binding energy per nucleon is \(5.6 \,MeV\). It splits in two fragments '\(B\)' and '\(C\)' of mass numbers \(105\) and \(115\) The binding energy of nucleons in '\(B\)' and '\(C\) ' is \(6.4 \,MeV\) per nucleon. The energy \(Q\) released per fission will be............\(MeV\)

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Correct Answer

(D) \(176\)

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Detailed explanation

\(Q=(B \cdot E)_{p}-(B . E)_{R}\)

\(=(105+115)(6.4)-(220)(5.6)\)

\(=176 \,MeV\)

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