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lingling
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Homework Statement
Which of the following forces is responsible for the scattering of an alpha particle by a gold atom in the Geiger-Marsden experiment?
A. electrostatic force between the alpha particle and the electrons of the gold atom
B. Electrostatic force between the alpha particle and the nucleus of the gold atom.
C. Gravitational force between the alpha particle and the nucleus of the gold atom
D. Nuclear force between the alpha particle and the nucleus of the gold atom.
Homework Equations
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The Attempt at a Solution
I 've chosen B and this is correct.
But I don't know what 's the meaning of 'nuclear force' in option D.