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1. |
Two plates are kept at a distance of 0.1m and their potential difference is 20V. An electron is kept at rest on the surface of the plate with lower potential. What will be the velocity of the electron when it strikes another plate? |
A. | 1.87*10<sup>6</sup> m/s |
B. | 2.65*10<sup>6</sup> m/s |
C. | 7.02*10<sup>12</sup> m/s |
D. | 32*10<sup>-19</sup> m/s |
Answer» C. 7.02*10<sup>12</sup> m/s | |