In alpha scattering, what is the impact parameter?
AClosest distance the alpha particle reaches
BPerpendicular gap from velocity line to nucleus
CAngle through which the alpha particle turns
DGap between gold foil and the detector
Answer & Solution
Correct answer: B. Perpendicular gap from velocity line to nucleus
The impact parameter is measured perpendicularly from the nucleus centre to the line of the incoming velocity.
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