Home
Class 11
CHEMISTRY
Find the value of wave number In terms o...

Find the value of wave number In terms of Rydberg's constant , when transition of electron takes place between two levels of `He^+` ion whose sum is 4 and difference is 2

A

`8R//9`

B

`32R//9`

C

`3R/4`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • BASICS IN CHEMISTRY

    PATHFINDER|Exercise QUESTION BANK|26 Videos

Similar Questions

Explore conceptually related problems

The angular momentum of an electron in a Bohr's orbit of He+ is 3.1652xx10^-34 kg-m^2/sec what is the wavenumber in terms of Rydberg constant of the spectral line emitted when an electrons falls from this level to the first excited state [h= 6.626xx10^-34 Js]

Find the quantum number 'n' corresponding to the excited state of He^+ ion if on transition to the ground state that ion emits two photons in succession with wavelengths 108.5 and 30.4 nm

Prove that the sum of n number of terms of two different A.P. s can be same for only one value of ndot

The wavelength corresponding to a transition when electron falls from a certain quantum level to the ground state of an He^+ ion is 24.31 nm find the ratio of velocity of the electron in the next quantum level to that of velocity of light?

Find the sum of first 24 terms of the list of numbers whose nth term is given by a_(n) = 3 + 2n

Express the following statements in the form of simultaneous linear equations and solve them by drawing graphs : (i) The sum of two numbers is 12 and their difference is 4. Find the numbers.

Find the maximum value of (7−x)^4 (2+x)^5 when x lies between −2 and 7 .

Find the 12th term of a series in A.P., whose sum of n terms is 4n^(2) + 3n .

Find the acute angle between two straight lines whose direction number are -4, 3, 5 and 3, 4, 5.

The number of sides of two regular polygons are in the ratio 5:4 and the difference between their interior and is 9^@ . find the number of sides in the two polygons.

PATHFINDER-ATOMIC STRUCTURE-QUESTION BANK
  1. The spectrum produced from an element is

    Text Solution

    |

  2. The wave number of first line of Balmer series of hydrogen is 15200 cm...

    Text Solution

    |

  3. Find the value of wave number In terms of Rydberg's constant , when tr...

    Text Solution

    |

  4. The radiation emitted when a hydrogen atom goes from a higher energy s...

    Text Solution

    |

  5. H- atoms in ground state (13.6eV) are excited by monochromatic radiati...

    Text Solution

    |

  6. A hydrogen atom in the ground state is excited by monochromatic radiat...

    Text Solution

    |

  7. For silver metal the thershold frequency nu0 is 1.13xx10^(17) Hz what ...

    Text Solution

    |

  8. The number of elliptical orbits excluding circular orbits in the N-she...

    Text Solution

    |

  9. The wavelength associated with a golf ball weighing 200g and moving at...

    Text Solution

    |

  10. What should be velocity of an electron so that its momentum becomes eq...

    Text Solution

    |

  11. The momentum of photon having 6Mev energy is

    Text Solution

    |

  12. If the radius of first Bohr orbit of H atom is x then de Broglie wavel...

    Text Solution

    |

  13. Write the number of waves made by an electron moving in an orbit havin...

    Text Solution

    |

  14. The uncertainty in the position of electron (mass= 9.1xx10^-31kg) movi...

    Text Solution

    |

  15. The number of spherical nodes in 3p orbitals is

    Text Solution

    |

  16. which of the following orbitals has zero probability of finding the el...

    Text Solution

    |

  17. The maximum number of electrons in subshell having the same value of s...

    Text Solution

    |

  18. Number of electrons having l+m value equal to zero in Fe^(3+) may be

    Text Solution

    |

  19. The orbital angular momentum of a 2p-electron is

    Text Solution

    |

  20. Which of the following pairs have equal value of e/m.

    Text Solution

    |