MCQOPTIONS
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MCQOPTIONS
| 1. |
The wavelength of the energy emitted when electron come from fourth orbit to second orbit in hydrogen is \[20.397\,cm\]. The wavelength of energy for the same transition in \[H{{e}^{+}}\] is |
| A. | \[5.099\ c{{m}^{-1}}\] |
| B. | \[20.497\ c{{m}^{-1}}\] |
| C. | \[40.994\ c{{m}^{-1}}\] |
| D. | \[81.988\ c{{m}^{-1}}\] |
| Answer» B. \[20.497\ c{{m}^{-1}}\] | |