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An electron of mass m and charge e is ac...

An electron of mass `m` and charge `e` is accelerated from rest through a potential difference `V` in vacuum. The final speed of the electron will be

A

`sqrt((eV//m))`

B

`2eV//m`

C

`sqrt((eV//2m))`

D

`sqrt((2eV//m))`

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The correct Answer is:
A
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