1.

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                                              [MP PMT 2000; AMU (Engg.) 2000]

A.            \[V\sqrt{e/m}\]
B.                                      \[\sqrt{eV/m}\]
C.            \[\sqrt{2eV/m}\]
D.                                      \[2eV/m\]
Answer» D.                                      \[2eV/m\]


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