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| 1. |
An electron of energy 150 e V has wavelength of `10^(-10)` m. The wavelength of a `0.60` keV electron is :A. `0.50Å`B. `0.75 Å`C. `1.2Å`D. `1.5Å` |
| Answer» Correct Answer - `0.50Å` | |