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Three photons coming from excited atomic...

Three photons coming from excited atomic-hydrogen sample are picked up. Their energies are `12.1 eV, 10.2 eV. And 1.9 eV`. The photons must come from

A

a single atom

B

two atoms

C

three atoms

D

either two atoms or three atoms

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The correct Answer is:
D
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AAKASH SERIES-ATOMS-EXERCISE -IA
  1. The Bohr model of atoms

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  2. Bohr's model of hydrogen atom.

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

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  4. Whenever a hydrogen atom emitsa photon in the Balmer series .

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  5. If wavelength of photon emitted due to transition of an electron from ...

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

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  7. Consider a spectral line resulting n = 5 to n = 1, in the atom and los...

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  8. In which of the following systems will be the radius of the first orbi...

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  9. If the radius of an orbit is r and the velocity of electron in it is v...

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  10. As the n (number of orbit) increases, the difference of energy between...

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  11. In which of the following transitions will the wavelength be minimum ?

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  12. Which of the following parameters are the same for all hydrogen like a...

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

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

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

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

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

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

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

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

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