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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(V//m)`

B

`sqrt(eV//m)`

C

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

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
`(1)/(2)mv^(2) = ev`
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