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  • 11-03-2024
  • Physics
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An a - particle of energy 5 MeV is scattered through 180° by gold nucleus. The distance of closest approach is of the order of
A. 10⁻¹⁰ cm
B. 10⁻¹² cm
C. 10⁻¹⁴ cm
D. 10⁻¹⁶cm

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