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ENTRANCE TEST – 2011 :: Discussion
| 23. | When electrons lose all their kinetic energy in the first collision, the entire kinetic appears as an X-ray photon of energy: | |
| A. | K.E = eV | |
| B. | K.E = hλmin /c | |
| C. | K.E = hc /λmin | |
| D. | K.E = h /λmax | |
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