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The radius or second stationary orbit in...

The radius or second stationary orbit in Bohr's atom is R. The radius of the third orbit in the same atom will be

A

3R

B

9R

C

`(5)/(4)`R

D

`(9)/(4)`R

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The correct Answer is:
D
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AAKASH SERIES-ATOMS-EXERCISE -IA
  1. Visible region contains

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  2. The energy of an electron in an excited hydrogen atom is -3.4 eV. Then...

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  3. The radius or second stationary orbit in Bohr's atom is R. The radius ...

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  4. Change in angular momentum of an electron when it jumps from 4th orbit...

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  5. The energy required to excite the electron from ground state of hydrog...

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  6. In each of the following atoms or ions, electron jumps from n = 2 to n...

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  7. When electrons jump from higher energy orbits to third energy orbit sp...

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  8. The energy of electron in the ground state of Hydrogen atom is -13. 6e...

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  9. The diagram shows the energy levels for an electron iin a certain atom...

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  10. The wavelengths involved in the specturm of deuterium (""(1)D^(2)) are...

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  11. Atomic hydrogen is excited from the grounds state to the n^(th) state....

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  12. Which of the following is not correct in Bohr model of hydrogen atom ?

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  13. In the Bohr model of a hydrogen atom, the centripetal force is furnish...

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  14. The Bohr's model of atoms:

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  15. Bohr's model for the hydrogen atom predicts that the absorption spectr...

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  16. Three photons coming from excited atomic hydrogen sample are picked up...

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  17. Whenever a hydrogen atom emits a photon in the Balmer series

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  18. If n gt gt 1, then the dependence of frequency of photon emitted as a ...

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  19. When a hydrogen atom is raised from the ground state to fifth stale(ex...

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  20. Consider a spectral line resulting from the transition n = 5 to n = 1,...

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