Rutherford's scattering experiment, which established the nuclear model of the atom, used a beam of:
A
alpha particles
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B
beta particles
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C
hydrogen atoms
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D
hydrogen nucleus
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Solution
The correct option is A alpha particles Rutherford's experiment was actually an α-particle scattering experiment, α-particle is a doubly positively charged helium ion i.e., He-nucleus. These α-particles were allowed to impinge a thin sheet of gold and unexpectedly scattered after the impingement.