Roughly what fraction of incident alpha particles were deflected by more than 90 degrees?
AAbout 1 in 8000
BAbout 1 in 8 lakh
CAbout 1 in 80
DAbout 1 in 800
Answer & Solution
Correct answer: A. About 1 in 8000
Only about one alpha particle in 8000 was turned back through more than 90 degrees.
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