MCQOPTIONS
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MCQOPTIONS
| 1. |
An electron having charge e and mass m starts from the lower plate of two metallic plates separated by a distance d. If the potential difference between the plates is V, the time taken by the electron to reach the upper plate is given charge on C is |
| A. | \[\sqrt{\frac{2m{{d}^{2}}}{eV}}\] |
| B. | \[\sqrt{\frac{m{{d}^{2}}}{eV}}\] |
| C. | \[\sqrt{\frac{m{{d}^{2}}}{2eV}}\] |
| D. | \[\frac{2m{{d}^{2}}}{eV}\] |
| Answer» B. \[\sqrt{\frac{m{{d}^{2}}}{eV}}\] | |