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In Balmer series of hydrogen atom write ...

In Balmer series of hydrogen atom write -
(i) the formula for calculating wavelength
(ii) range of largest and smallest wavelength
(iii) the region of the spectrum where this series lies .

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MODERN PUBLICATION-ATOMS -Revision Exercise (Short Answer )
  1. Show that the total energy of an electron in an atom is negative and i...

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  2. Hydrogen atom in third excited state de-excites to the first excited s...

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  3. In Balmer series of hydrogen atom write - (i) the formula for calcul...

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  4. The short weve length limit for the Lyman series of the hydrogen spect...

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  5. Find out the wavelength of the electron orbiting in the ground state...

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  6. Show the Halpha and Hbeta transitions of hydrogen atom in an energy le...

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  7. State the three postulates of Bohr's theory of hydrogen atom.

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  8. A 12.5 eV electron beam is used to excite a gaseous hydrogen atom at r...

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  9. State Bohr's quantization condition of angular momentum. Calculate the...

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  10. Calculate the orbital period of the electron in the first excited stat...

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  11. According to second postulate of bohr model, the agnular momentum (Ln)...

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  12. Give the expression for velocity of an electron in the n^(th) orbit. E...

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  13. (a) Using de Broglie's hypothesis, explain with the help of a suitable...

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  14. (a) State Bohr's postulate to define stable orbits in hydrogen atom...

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  15. The grond state energy of hydrogen atom is 13.6 eV. If an electron m...

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  16. The radii of Bohr's orbit are directly proportional to

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  17. Using Bohr's postulate, derive the expression for the orbital period ...

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  18. Calculate the shortest and longest wavelength in Lyman series of hydro...

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  19. The first member of the Balmer series of hydrogen atom has wavelength ...

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  20. Calculate the wavelength of the first line in the Balmer series of hy...

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