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The ionisation energy of Li^(2+) atom in...

The ionisation energy of `Li^(2+)` atom in ground state is,

A

`13.6 xx 9 e V `

B

`13.6J`

C

`13.6erg`

D

`13.6 xx 10^(-19)J`

Text Solution

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The correct Answer is:
A
`( E) =Li^(+2) , e=Z^(2) ( E)_(H) ,E=9xx 13.6eV`
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NARAYNA-ATOMS -EXERCISE -4
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  2. 29 electrons are removed from Zn-atom (Z=30)by certain means. The mini...

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  3. The ionisation energy of Li^(2+) atom in ground state is,

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  4. A photon of energy 15eV collides with H-atom. Due to this collision, H...

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  5. Monochromatic radiation of wavelength lambda is incident on a hydrogen...

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  6. The follwing diagram indicates the energy levels of a certain atom whe...

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  7. When the electron in a hydrogen atom jumps from the second orbit to th...

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  8. The ratio of the largest to shortest wavelength in Balmer series of hy...

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  9. The electron in hydrogen atom makes a transition n(1)ton(2) where n1 a...

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  10. Any radiation in the ultraviolet region of hydrogen spectrum is able t...

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  11. A hydrogen atom emits a photon corresponding to an electron transition...

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  12. The wave number of energy emitted when electron jumps from fourth orbi...

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  13. In a Bohr atom the electron is replaced by a particle of mass 150 time...

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  14. If the wavelength of the first member of Balmer series of hydrogen spe...

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  15. A hydrogen like atom (atomic number Z) is in a higher excited state of...

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  16. Photon from n=2 to n=1 in hydrogen atom is made to fall on a metal su...

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  17. Let nu(1) be the frequency of the series limit of the lyman series n...

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  18. (a) (i) Find the wavelength of the radiation required to excite thye e...

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  19. Find the wavelength in a hydrogen spectrum between the range 500nm to ...

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  20. The largest wavelength in the ultraviolet region of the hydrogen spect...

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