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JEE Main 2006

Exam: JEE Main
Year: 2006
Subject: Physics
Chapter: Nuclear Physics

JEE Main 2006 · Physics · Nuclear Physics

If the binding energy per nucleon in _3^7 Li and _2^4 He nuclei are...

If the binding energy per nucleon in

{ }_3^7 \mathrm{Li}

and

{ }_2^4 \mathrm{He}

nuclei are

5.60 \mathrm{MeV}

and

7.06 \mathrm{MeV}

respectively, then in the reaction

\mathrm{p}+{ }_3^7 \mathrm{Li} \rightarrow 2{ }_2^4 \mathrm{He}

energy of proton must be

Options

A $39.2 \mathrm{MeV}$
B $28.24 \mathrm{MeV}$
C $17.28 \mathrm{MeV}$
D $1.46 \mathrm{MeV}$

Correct answer

C. $17.28 \mathrm{MeV}$

Step-by-step solution

=(8 \times 7.06-7 \times 5.60) \mathrm{MeV}=17.28 \mathrm{MeV}

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