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If radiation corresponding to second lin...

If radiation corresponding to second line of "Balmer series" of `Li^(+2)` ion, knocked out electron from first excited state of H-atom, then kinetic energy of ejected electron would be:

A

`2.55eV`

B

`4.25eV`

C

`11.25eV`

D

`19.55eV`

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NARENDRA AWASTHI-ATOMIC STUCTURE-Exercise
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  2. The angular momentum of an electron in a Bohr's orbit of He^(+) is 3.1...

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  3. If radiation corresponding to second line of "Balmer series" of Li^(+2...

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  8. Ground state energy of H-atom is (-E(1)),t he velocity of photoelectro...

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  11. Monochromatic radiation of specific wavelength is incident on H-atoms ...

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  13. Calculate the minimum and maximum number of electrons which may have m...

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  14. An electron in a hydrogen atom in its ground state absorbs 1.5 times a...

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  17. H-atom is exposed to electromagnetic radiation of lambda=1025.6 Å and ...

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  18. If the lowest energy X-rays have lambda=3.055xx10^(-8) m, estimate the...

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