FAQ

What is the Distance of Closest Approach?
Distance of Closest Approach is the distance to which an alpha particle comes closer to the nucleus. Distance of Closest Approach is usually measured using the Angstrom for Length. Note that the value of Distance of Closest Approach is always negative.
Can the Distance of Closest Approach be negative?
Yes, the Distance of Closest Approach, measured in Length can be negative.
What unit is used to measure Distance of Closest Approach?
Distance of Closest Approach is usually measured using the Angstrom[A] for Length. Meter[A], Millimeter[A], Kilometer[A] are the few other units in which Distance of Closest Approach can be measured.
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