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When an alpha-particle of mass 'm' movin...

When an `alpha-`particle of mass 'm' moving with velocity 'v' bombards on a heavy nucleus of charge 'Ze' its distance of closest approach from the nucleus depends on `m` as :

A

`(1)/(m)`

B

`(1)/(sqrt(m))`

C

`(1)/(m^(2))`

D

`m`

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