Two charge particle `P & Q` having same charge `1muC` and mass `4mukg` are initially kept at the distance of `1mm`. Charge `P` is fixed, then the velocity of charge parti `Q` when the separationbetween then becmoes `9mm`.
A
`1.0m//s`
B
`3.0xx10^(4)m//s`
C
`2.0xx10^(3)m//s`
D
`1.5xx10^(2)m//s`
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The correct Answer is:
A
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