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A certain transition in H spectrum from ...

A certain transition in H spectrum from an excited state to ground state in one or more steps gives rise to total 10 lines. How many of these belong to uv spectrum? 

A

3

B

4

C

5

D

6

Text Solution

Verified by Experts

The correct Answer is:
B
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In a certain electronic transition from the quantum level, 'n' to the ground state in atomic hydrogen in one or more steps, no line belonging to the Bracket series is observed. What wave number may be observed in the Balmer series ? (R = Rydberg Constant)

In a certain electronic transition from the quantum level, 'n' to the ground state in atomic hydrogen in one or more steps, no line belonging to the Brackett series is observed. What wave numbers may be observed in the Balmer series? (R=Rydberg Constant)

Consider a hydrogen-like atom whose energy in n^(th) excited state is given by E_(n) = (13.6Z^(2))/(n^(2)) When this excited atom makes transition from excited state to ground state most energetic photons have energy E_(max) = 52.224eV and least energetic photons have energy E_(min) = 1.223eV. find the atomic number of atom and the state of excitation.

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AAKASH SERIES-ATOMIC STRUCTURE-OBJECTIVE EXERCISE - 2
  1. When a greater number of electrons from excited hydrogen atoms reach t...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  17. As an electron is brought from an infinite distance close to nucleus o...

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

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  19. The Ionisation potential of Hydrogen is 2.17 xx10^(-1) erg/atom. The e...

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

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