The energy of second orbit of hydrogen is equal to the energy of ,A. fourth orbit of `He^(+)`B. fourth orbit of `Li^(2+)`C. Second orbit of `He^(+)`D. second orbit of `Li^(2+)`.

The energy of second orbit of hydrogen is equal to the energy of ,A. f

1.	The energy of second orbit of hydrogen is equal to the energy of ,A. fourth orbit of `He^(+)`B. fourth orbit of `Li^(2+)`C. Second orbit of `He^(+)`D. second orbit of `Li^(2+)`.
Answer» Correct Answer - A `E=-(Z^(2))/(n^(2))xx13.6eV` `E_(2)=-(13.6)/(4)` for `H` `E=-(Z^(2))/(n^(2))xx13.6` eV `-(13.6)/(4)=-(Z^(2))/(n^(2))xx13.6` `(Z^(2))/(n^(2))=(1)/(4)(Z=1,n=2)`.

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The energy of second orbit of hydrogen is equal to the energy of ,A. fourth orbit of `He^(+)`B. fourth orbit of `Li^(2+)`C. Second orbit of `He^(+)`D. second orbit of `Li^(2+)`.

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