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In a Rutherford scattering experiment wh...

In a Rutherford scattering experiment when a projectile of change `Z_(1)` and mass `M_(1)` approaches s target nucleus of change `Z_(2)` and mass `M_(2)`, te distance of closed approach is `r_(0)`. The energy of the projectile is

A

directly proportional to `Z_(1)Z_(2)`

B

inversely proportional to `Z_(1)`

C

directly proportional to mass `M_(1)`

D

directly proportional to `M_(1) xx M_(2)`

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