MCQ
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$V \sqrt{ e / m }$
- B$\sqrt{ eV / m }$
- ✓$\sqrt{2 eV / m }$
- D$2 eV / m$
✓
Answer
Correct option: C.
$\sqrt{2 eV / m }$
$\sqrt{2 eV / m }$
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