An electron of mass $m$ and charge $e$ is accelerated from rest through a potential difference $V$ in vacuum. Its final velocity will be
An electron of mass $m$ and charge $e$ is accelerated from rest through a potential difference $V$ in vacuum. Its final velocity will be
- [AIPMT 1996]
- A
$\sqrt{\frac{2 e V}{m}}$
- B
$\sqrt{\frac{e V}{m}}$
- C
$\frac{ eV }{2 m }$
- D
$\frac{e V}{m}$
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- [AIPMT 2011]
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