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In a series in the line spectrum of hydr...

In a series in the line spectrum of hydrogen the wavelength of radiation is 6,563Å. The name of the series and the orbits in which electron transition takes place are

A

Balmer series, 3rd to 2nd orbit

B

Lyman series, 2nd to 1st orbit

C

Pfund series, 6th to 5th orbit

D

Paschen series, 4th to 3rd orbit

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A
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AAKASH SERIES-ATOMIC STRUCTURE-OBJECTIVE EXERCISE - 2
  1. In a hydrogen atom, the electron is at a distance of 4.76Å from the nu...

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  2. Which of the following statements regarding spectral series is correct...

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  3. In a series in the line spectrum of hydrogen the wavelength of radiati...

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  4. The frequency of the spectral line obtained when the electron in n = 3...

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  5. When a greater number of electrons from excited hydrogen atoms reach t...

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  6. The first spectral line in the Pfund series of Hydrogen spectrum is gi...

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  7. A certain transition in H spectrum from an excited state to ground sta...

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  8. The radii of two of the first four Bohr orbits of the hydrogen atom ar...

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  9. Which one of the following statements is not correct?

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  10. The ratio of radii of first orbits of H, He^(+) and Li^(2+) is

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  11. The ratio of the radii of the first three orbits in an atom of hydroge...

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  12. The radius of hydrogen atom in the ground state is 0.53 Å, the radius ...

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  13. In hydrogen atom the kinetic energy of electron is 3.4 eV. The distanc...

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  14. The radius of first Bohr's orbit for hydrogen is 0.53Å. The radius of ...

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  15. The energy of second Bohr orbit of hydrogen atom is -328 kJ. mol^(-1),...

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  16. Which of the following transistions in hydrogen atom will require the ...

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  17. The energy of an electron in the first Bohr's orbit of a hydrogen atom...

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  18. The total energy of electron in an atom is a combination of potential ...

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  19. The radius of which of the following orbit is same as that of the firs...

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  20. The change in velocity when electron jumps from the first orbit to the...

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