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| Q. |
Nuclear sizes are expressed in a unit named - |
| A. | Fermi |
| B. | Angstrom |
| C. | Newton |
| D. | Tesla |
| Answer» A. Fermi | |
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Explanation: The fermi (1 fm = 10⁻¹7 m) is of the order of magnitude of the size of nucleons and nuclei, so it is more appropriate to describe sizes for nuclear phenomena. |
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