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What is the ground state energy of elect...

What is the ground state energy of electron in case of `Li^(2+)` ?

A

`13.6eV`

B

`-13.6eV`

C

`30.4eV`

D

`-30.4eV`

Text Solution

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The correct Answer is:
D
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PRADEEP-ATOMS AND NUCLEI-Exercise
  1. Planck's constant has the dimension (unit) of

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  2. What is the ground state energy of electron in case of Li^(2+) ?

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  3. What is the order of velocity of electron in a hydrogen atom in groun...

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  4. The ratio of radii of orbits correponding to first and second excited ...

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  5. What is the ionisation potential of hydrogen atom?

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  6. Which one of the series of hydrogen spectrum is in the visible region ...

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  7. The correct relation for impact parameter, where symbols have their us...

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  8. The diameter of first orbit of hydrogen atom is of the order of

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  9. Total energy of electron in nth stationary orbit of hydrogen atom is

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  10. What is the value of Rydberg constant?

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  11. A coording to Thomson model, the entire mass and positive charge of an...

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  12. The size of atomic nucleus is of the order of............ m and size ...

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  13. Total energy of electron in orbit of an atom is............. .This ind...

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  14. Lyman series lies in............region and Balmer series lies in.........

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  15. According to Bohr, angular momentum...............in hydrogen atom is....

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  16. The radii of stationary orbits are in the ratio............ .

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  17. Orbital velocity of electron is outer orbits is............as compared...

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  18. In the first stationary orbit of hydrogen atom, the frequency of revol...

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  19. Total energy of electron in outer orbits is........that in...............

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  20. An alpha particle of K.E. 10^(-12)J exibits back scattering form a gol...

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