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What is the shortest wavelength present in the paschen series of spectral lines?

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R G PUBLICATION-ATOMS AND NUCLEI-EXERCISE
  1. Give the schematic arrangment of the Geiger Marsden experiment.

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  2. Give a brief description of Ratherford's Nuclear Model of atom.

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  3. It is found experimentally that 13.6eV energy required to separate a h...

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  4. Write a short note on atomic spectra.

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  5. What is spectral series? Draw a diagram to show the balmer series in t...

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  6. Write the Bohr model of a hydrogen atom. What are the Bohr's postulate...

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  7. Derive an expression for the radius of the first orbit of the electron...

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  8. Name the various series of hydrogen atoms.

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  9. What is the shortest wavelength present in the paschen series of spect...

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  10. The ground state energy of hydrogen atom is −13.6 eV. What are the kin...

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  11. The radius of the inner most electron orbit of a hydrogen atom is 5.3x...

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  12. Distinguish between Thomson's model and Rutherfords model of an atom.

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  13. Derive an expression for the radius of the first orbit of the electron...

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  14. Deduce the expression for the total energy of the electron in te n orb...

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  15. Find the frequency of revolution of an electron in Bohr's 2nd orbit; i...

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  16. The wave length of first line of Lyman series is 1216 overset(@)A. Cal...

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  17. The ground state energy of hydrogen atom is −13.6 eV. What are the kin...

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  18. Calculate the approximate qunatum number for an electron of hydrongen ...

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  19. Calculate the longest wavelength of Paschen series.

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  20. What are the limitations of Bohr's model?

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