$\alpha - $ particles of energy $400\, KeV$ are bombarded on nucleus of $_{82}Pb$. In scattering of $\alpha - $ particles, its minimum distance from nucleus will be

  • A
    $0.59 \,nm$
  • B
    $0.59\,\mathring A$
  • C
    $5.9 \,pm$
  • D
    $0.59\, pm$

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