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Calculate (i) the radius of the second o...

Calculate (i) the radius of the second orbit of hydrogen atom, and (ii) total energy of electron moving in the second orbit.

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The correct Answer is:
`2.12 Å, -3.4 eV`
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SL ARORA-ATOMS, NUCLEI AND MOLECULES-Problems For Self Practice
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  4. Calculate the frequency of the photon, which can excite the electron ...

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  7. Calculate the ionisation potential of a single ionised He-atom.

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  12. If the wavelength of the first member of Balmer series in hydrogen spe...

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  13. The second member of Lyman's series is hydrogen spectrum has a wavelen...

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  14. The energy of K-electron in tungsten is -20.0 keV and of an L-electron...

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  15. The P.E. of a normal hydrogen atom in ground state is -27 eV. Calculat...

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  16. A photon of energy 12.09 eV is absorbed by an electron in ground state...

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