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The wavelength of the spectral line, For...

The wavelength of the spectral line, For the transition n = 2 to n=1 in the hydrogen emission spectrum is 'X' . Which of the following spectral line also has a wavelength of X

A

`'H_(alpha)'` line in the Balmer series of spectrum of 'H'

B

`'H_(beta)'` line in the Balmer series of spectrum of 'H'

C

`'H_(alpha)'` line in the Balmer series of spectrum of `'He^(+)'`

D

`'H_(beta)'` line in the Balmer series of spectrum of `'He^(+)'`

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-ATOMIC STRUCTURE-Objective Exercise - 3
  1. (A) : A spectral line will be seen for 2p(x) to 2p(y) transition. (R...

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

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  3. The wavelength of the spectral line, For the transition n = 2 to n=1 i...

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  4. What electronic transition in Li^(+2) produces the radiation of the sa...

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  5. The ratio of the wave lengths of the first line in the Lyman series of...

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  6. In a certain electronic transition from the quantum level, 'n' to the ...

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  7. In Bohr series of lines of hydrogen spectrum, the third line from the ...

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  8. Kinetic energy of electron in a mono electronic species is +1313 lJ/mo...

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  9. Ionisation energy of He^(+) is 19.6 xx 10^(-18)"J atom"^(-1) The energ...

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  10. The kinetic energy of an electron in an orbit of hydrogen atom is 3.4 ...

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  11. The ionisation potential of Hydrogen is 2.17 xx 10^(-11) erg/atom. The...

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  12. (A) : In an atom the velocity of electron as it moves into higher orbi...

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  13. The wavelength of radiation required to remove the electron of hydroge...

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

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  15. Choose the correct statement (s) (i) The energy of an electron in an...

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  16. The velocity of electron in hydrogen atom is 7.29 xx 10^(7) cm/sec The...

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  17. A particle of mass one microgram is confined to move along one directi...

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  18. The set of quantum numbers 'n' and 'l' possible for the orbital shown ...

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  19. In a multi-electron atom, which of the following orbitals described by...

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  20. An electron has magnetic quantum number as '-3'. Its principal quantum...

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