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An excited state of H atom emits a photo...

An excited state of H atom emits a photon of wavelength `lamda` and returns in the ground state. The principal quantum number of excited state is given by:

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The correct Answer is:
b
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RESNICK AND HALLIDAY-HYDROGEN ATOM-PRACTICE QUESTIONS (Single Correct Choice Type)
  1. Which of the following is true?

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  2. According to Bohr's theory, the variation of perimeter(s) of the elect...

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  3. An excited state of H atom emits a photon of wavelength lamda and retu...

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  4. If the shortest wavelength of Lyman series of hydrogen atom is x, then...

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  5. A particle in a box has quantum states with energies E= E(0) n^(2), wi...

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  6. Which of the following transitions produce the longest wavelength phot...

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  7. For a quantum particle in a box, the lowest energy quantum state has 1...

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  8. An electron is in a one-dimensional trap with zero potential energy in...

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  9. A particle is trapped in an infinite potential energy well. It is in t...

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  10. A particle is confined to a one-dimensional trap by infinite potential...

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  11. In the Bohr model of hydrogen, why is the atom 9 times larger in the n...

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  12. Orbital electrons do not spiral into the nucleus because of

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  13. Bohr's model cannot explain the spectrum of neutral Lithium atoms beca...

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  14. Compared to hydrogen the atom of helium has

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  15. If the value of Planck's constant were to increase by a factor of two,...

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  16. In the Bohr model, if an electron moves in an orbit of greater radius

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  17. Which of the following statements is (are) wrong for hydrogen atom?

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  18. The total energy of an electron in the excited state corresponding to ...

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  19. Identify the highest energy photons of the following

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  20. An atom consists of theree energy levels given by a ground state with ...

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