MCQOPTIONS
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| 1. |
The ionisation potential of a hydrogen atom is ?13.6 eV. What will be the energy of the atom corresponding to \[n=2\] [Pb. CET 2000] |
| A. | ?3.4 eV |
| B. | ?6.8 eV |
| C. | ?1.7 eV |
| D. | ? 2.7 eV |
| Answer» B. ?6.8 eV | |