McqMate
| Q. |
The source of the Sun's energy is the process of – |
| A. | Photoelectric emission |
| B. | Nuclear fission |
| C. | Nuclear fusion |
| D. | Thermionic emission |
| Answer» C. Nuclear fusion | |
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Explanation: Nuclear fusion is a nuclear reaction in which two or more atomic nuclei join together, or "fuse", to form a single heavier nucleus. During this process, matter is not conserved because some of the mass of the fusing nuclei is converted to energy which is released. Fusion is the process that powers active stars. |
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