MCQOPTIONS
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| 1. |
In hydrogen atom, when electron jumps from second to first orbit, then energy emitted is [AIEEE 2002] |
| A. | ? 13.6 eV |
| B. | ? 27.2 eV |
| C. | ? 6.8 eV |
| D. | None of these |
| Answer» E. | |