A neutron moving with a speed $'v'$ makes a head on collision with a stationary hydrogen atom in ground state . The minimum kinetic energy of the neutron for which inelastic collision will take place is....$eV$

  • [JEE MAIN 2016]
  • A

    $20.4$

  • B

    $10.2$

  • C

    $12.1$

  • D

    $16.8$

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