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ENTRANCE TEST – 2011 :: Discussion
| 22. | What is meant by spontaneous emission of electrons in solids? | |
| A. | Electrons being emitted by the solids through photoelectric effect when irradiated with electromagnetic radiation | |
| B. | Incident electrons colliding with electrons in solids and releasing doubling the number of incident electrons | |
| C. | Electrons in solids are emitted without any external stimulus through radiation | |
| D. | Excited electrons going back to lower energy states immediately by releasing energy. | |
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