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Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class12  >>  Atoms
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A proton is bombarded on a stationary lithium nucleus. As a result of collision two $\;\alpha\;$ particles are produced . If direction of motion of $\;\alpha \;$ particle with initial direction of motion makes an angle $\;cos^{-1}(\large\frac{1}{4})\;$ find kinetic energy of striking proton . Given binding energies per nucleon of $\;Li^{7}\;$ & $\;He^{4}\;$ are $5.60 MeV$ and $7.06 MeV$ respectively

$(a)\;19.23\;MeV\qquad(b)\;17.28\;MeV\qquad(c)\;20.16\;MeV\qquad(d)\;12.23\;MeV$

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