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[" Example "3." A beam of "alpha" -parti...

[" Example "3." A beam of "alpha" -particles of velocity "2.1times10^(7)ms^(-1)],[" is scattered by a gold foil "(Z=79)" .Find the distance of "],[" closest approach of the "alpha" -particle to the gold nucleus.The "],[" value of charge/mass for "alpha" -particle is "4.8times10^(7)Ckg^(-1)" ."],[" Solution.At the distance of closest approach,"]

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