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As per your syllabus, in Rutherford's α-scattering on a gold foil, approximately how many α-particles bounced back through nearly 180°?
AAbout 1 in 20,000
BAbout 1 in 2
CAll of them
DNone
Answer & Solution
Correct answer: A. About 1 in 20,000
As per your syllabus, ~1 in 20,000 α-particles bounced back by ~180° — the unexpected result that revealed the dense nucleus.
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