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Multiple or fine structure of spectral l...

Multiple or fine structure of spectral lines is due to :

A

presence of main energy levels

B

presence of sub-levels

C

presence of electronic configuration

D

is not a characteristics of the atom

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NARENDRA AWASTHI-ATOMIC STUCTURE-Exercise
  1. Electronic transition in He^(+) ion takes from n(2) " to " n(1) shell ...

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  2. Which of the following expressions represents the spectrum of Balmer s...

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  3. Multiple or fine structure of spectral lines is due to :

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  4. Whith increasing principal quantum number, the energy difference betwe...

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  5. Find the value of wave number (overset-v) in terms of Rydberg's consta...

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  6. What is the wavelength in nm of the spectral line associated with a tr...

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  7. What is the energy (kJ/mol) associated with the de-excitation of an el...

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  8. What is the shortest wavelength line in the Paschen series of Li^(2+) ...

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  9. What is the maximum wavelength line in the Lyman series of He^(+) ion?

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  10. Which of the following electron transitions in a hydrogen atom will re...

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  11. Which electronic transition in a hydrogen atom, starting from the orbi...

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  12. The hydrogen atom in the ground state is excited by mass of monochroma...

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  13. Electromagnetic radiation (photon) with highest wavelength result when...

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  14. When an electron jumps from L to K shell -

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  15. How do the energy gaps between successive electron energy levels in a...

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  16. The H-spectrum confirms

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  17. The splitting of spectral lines in an external magnetic field is known...

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  18. The pressure of colloidal particles of dust in air imparts blue colour...

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  19. In photoelectric effect, the number of photoelectrons emitted is propo...

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  20. Slope of V(0) vs v curve is (where V(0)= Stopping potential, v=subject...

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