When an α-particle of mass m moving with velocity ν bombards on a heavy nucleus

When an α-particle of mass m moving with velocity ν bombards on a heavy nucleus of charge Ze, its distance of closest approach from the nucleus depends on m as

Options

(a) 1/√m
(b) 1/m²
(c) m
(d) 1/m

Correct Answer:

1/m

Explanation:

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