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The ratio of the radii of the first thre...

The ratio of the radii of the first three Bohr orbit in H atom is

A

`1: 5: 33`

B

`1: 2: 3`

C

`1: 4: 9`

D

`1: 8:27`

Text Solution

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The correct Answer is:
C
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RC MUKHERJEE-ATOMIC STRUCTURE AND RADIOACTIVITY-Objective Problems
  1. The ionisation potential of hydrogen atom is 13.6 eV. The energy requi...

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  2. The energy of the second Bohr orbit in the hydrogen atom is -3.41eV. T...

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  3. The ratio of the radii of the first three Bohr orbit in H atom is

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  4. The ratio of the difference in energy between the first and second Boh...

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  5. For 1=3, which value of m is not possible?

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  6. The designation of an orbital with n=4 and l=1, is

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  7. Which of the following orbitals is meaningless?

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  8. Which one of the following sets of quantum number is possible for elec...

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  9. The maximum number of electrons in an atom with quantum number n=3, l=...

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  10. The number of orbitals in n=3 are

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  11. If the nitrogen atom has electronic configuration 1s^(7), it would hav...

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  12. Rutherfords experiments , which established the nuclear model of atom ...

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  13. Total number of nodal planes are same in :

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  14. The minimum number of waves made by an electron moving in an orbit hav...

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  15. The electronic transition from n = 2 to n = 1 will produce shortest wa...

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  16. The first emission line of Balmer series in He^(+) - spectrum has the ...

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  17. If the radius of first Bohr orbit is r, the wavelength of an electron ...

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  18. If the shortest wavelength of H-atom in Lyman series is x, then longes...

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  19. Consider a large number of hydrogen atoms with electron randomly distr...

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  20. How many times larger is a hydrogen atom than the radius of an H atom ...

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