MCQOPTIONS
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MCQOPTIONS
| 1. |
In an electron gun, the electrons are accelerated by the potential V. If e is the charge and m is the mass of an electron, then the maximum velocity of these electrons will be [MP PMT 1987, 96; BHU 1995; MNR 1998] |
| A. | \[\frac{2eV}{m}\] |
| B. | \[\sqrt{\frac{2eV}{m}}\] |
| C. | \[\sqrt{\frac{2m}{eV}}\] |
| D. | \[\frac{{{V}^{2}}}{2em}\] |
| Answer» C. \[\sqrt{\frac{2m}{eV}}\] | |