Draw a schematic arrangement of the Geiger Marsden experiment. How did the scattering of `alpha` particles by a thin foil of gold provide an important way to determine an upper limit on the size of nucleus? Explain briefly.
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In a geiger - marsden experiment. Find the distance of closest approach to the nucleus of a 7.7 me v alpha - particle before it comes momentarily to rest and reverses its direction. (z for gold nucleus = 79) .
(A) in the experiment of alpha particle scattering, extremely thin gold foils are preferred over other metals. (R)gold is a ductile material.
Rutherford's alpha particle scattering experiment on thin gold foil was responsible for the discovery of
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