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1.8 g hydrogen atoms are excited by a ra...

`1.8 g` hydrogen atoms are excited by a radiation. The study of species indicates that `27%` of the atom are in third energy level and `15 %` of atom in second energy level and the rest in ground state. If IP of H is `13.6 eV`, calculate
a. Number of atoms present in first and third energy levels
b. Total energy involved when all the atoms return to the ground state.

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`(a) 2892 . 68 xx 10^(12)` atoms , `162.6 xx 10^(21)` atoms ,
(b) 832.50kJ ,
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P BAHADUR-ATOMIC STRUCTURE-Exercise 9
  1. Calculate frequency, energy and wavelength of the radiation correspo...

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  2. The IE(1) of H is 13.6 eV. It is exposed to electromagnetic waves of 1...

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  3. 1.8 g hydrogen atoms are excited by a radiation. The study of species ...

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  4. Consider three electron jumps described below for the hydrogen atom ...

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  5. A series of lines in the spectrum of atomic H lies at wavelengths 656...

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  6. A hydrogen-like atom (atomic number Z) is in a higher excited state of...

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  7. Calculate the Rydberg constant RH if He^+ ions are known to have the ...

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  8. Consider the follwoing two elerctronic transition possibilites in a hy...

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  9. The angular momentum of electron in a Bohr's orbit of H atom is 4....

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  10. Find the quantum number n corresponding to the excited state of He^(o...

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  11. Calculate the angular frequency of an electron occupying the second ...

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  12. Two hydrogen atom collide Collide head on and end up with zero kin...

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  13. The kinetic energy of an electron in H-like atom is 6.04 eV. Find t...

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  14. How many spectral linears are emitted by atomic hydrgen excited to the...

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  15. The hydrogen atom in the ground state is excited by mass of monchromat...

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  16. A single electron orbits around a stationary nucleus of charge + Ze wh...

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  17. Determine de-Broglie wavelength of an electron having kinetic energy o...

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  18. Show that de-Broglie wavelength of electron acceleratated through (V) ...

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  19. Calculate the momentum of electron moving with 1//3 3rd velocity of l...

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  20. Calculate the accelerating potential that must be imparted to a proton...

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