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  • A  ion is at rest and is in ground state. A neutron with initial kinetic energy K col

A He^{+} ion is at rest and is in ground state. A neutron with initial kinetic energy K collides head on with the He^{+} ion. For which value of K collision between these two particles may be inelastic?

Option: 1

40.8\; eV


Option: 2

48.3\; eV


Option: 3

20.3\; eV

 


Option: 4

\fn_cm 51\; eV


Answers (1)

best_answer

Here \left ( \Delta K \right )_{max}=\frac{4K}{5}

Hence for the collision to be inelastic

\left ( \Delta K \right )_{max}\geq 40.8\; eV

\frac{4K}{5}\geq 40.8\; eV

K\geq 51 \; eV

The minimum value of K = 51 eV

Posted by

jitender.kumar

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