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If radius of ground state of H- atom (ac...

If radius of ground state of H- atom (according to Bohr' model) is 'R' then radius of `3^(rd)` energy state of `Li^(+2)` is :

A

R

B

3R

C

`(R)/(3)`

D

9R

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The correct Answer is:
B
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GRB PUBLICATION-ATOMIC STRUCTURE-Bohr s Theory
  1. The potential energy of the electron present in the ground state of L...

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  2. If radius of ground state of H- atom (according to Bohr' model) is 'R'...

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  3. In a certain electronic transition in the hydrogen atoms from an init...

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  4. the energy levels for A^(+z=-1) can be given by :

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  5. The radii of two of the first four Bohr's orbits of the hydrogen atom ...

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  6. The velocity of electrons in the ground state of H- atom is 2.185 xx 1...

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  7. The ratio of the radius of two Bohr's orbit of Li^(+2) is 1:9. What wo...

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  8. The ratio of radius of first orbit in hydrogen to the radius of first ...

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  9. For H-atoms , the energy required for the removal of electron from var...

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  10. Which of the following options is incorrect regarding Bohr's Model of ...

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  11. Which of the following transition will have a wavelength different tha...

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  12. A substance absorbs electromagnetic radiations of wavelength 12.3 nm a...

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  13. A unielectronic species is in some excited state 'A' and on absorbing ...

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  14. The radii of two Bohr's orbits of hydrogen atom are in the ratio of 4:...

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  15. In a hypothetical model of an atoms following Bohr's theory, the poten...

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  16. The time period of revolution in the 3rd orbit of Li^(2+) ions is x se...

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  17. The charge on the electron and proton in reduced to half . Let the pre...

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  18. A hydrogen like species with atomic number Z is present in a higher ex...

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  19. The ratio of (E(2) - E(1)) to (E(4) - E(3)) for He^(+) ion is approxim...

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  20. 1^(st) excitation Potential of a hydrogen like sample is 15 volt. If ...

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