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If the binding energy of `2^(nd)` excited state of a hydrogen like sample os `24 eV` approximately, then the ionisation energy of the sample is approximatelyA. `54.4 eV`B. `24 eV`C. `122.4 eV`D. `216 eV` |
Answer» Correct Answer - D `(13.6(Z)^(2))/((3)^(2))=24` I.E. `=13.6(Z)^(2)=(24xx9)=216 ev` |
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