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Bohr's basic idea of discrete energy lev...

Bohr's basic idea of discrete energy levels in atoms and the process of emission of photons from the higher levels to lower levels was experimentally confirmed by experiments performed by

A

Michelson-Morley

B

Milikan

C

Joule

D

Frank and Hertz

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The correct Answer is:
D
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AAKASH SERIES-ATOMS-EXERCISE -IA
  1. Which of the following parameters are the same for all hydrogen like a...

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  2. The angular momentum of an electron in a hydrogen atom is proportional...

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  3. The electron in a hydrogen atom makes a transition from an excited sta...

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  4. In a hydrogen atom, the radius of n^(th) bohr orbit is rn. The graph b...

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  5. How many waves will be made by an electron in the hydrogen atom if it ...

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  6. An electron in the ground state of hydrogen atom is revolving in antic...

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  7. when an electron falls from a higher energy to a lower energy level th...

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  8. The de- broglie wavelength of an electron in the first bohr orbit is

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  9. Bohr's basic idea of discrete energy levels in atoms and the process o...

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  10. From quantisation of angular momentum one gets for hydrogen atom, the ...

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  11. the excitation energy of lyman last lines is

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  12. The change in orbital angular momentum corresponding to an electron tr...

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  13. The minimum magnetic dipole moment of electron in hydrogen atom is

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  14. Total energy of the electron in hydrogen atom above 0 eV leads to

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  15. An ionized H-molecule consists of an electron and two protons. The pro...

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  16. Consider aiming a beam of free electons towards free protons. When the...

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  17. The simple Bohr model is not applicable to He^(4) atom because

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  18. When a hydrogen atom is raised from the ground state to an excited sta...

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  19. The simple Bohr model is not applicable to He^(4) atom because

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  20. Check the corretness of the following statement about the Bohr model o...

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