Home
Class 11
CHEMISTRY
Stationary He^(o+) ion emits a photon co...

Stationary `He^(o+)` ion emits a photon corresponding to the first line of the lyman series. The photon then emitted strikes a H atom in the ground state. Find the velocity of the photoelectron ejected out of the hydrogen atom. The value of `R` is `1.097 xx 10^(7)m^(-1)`

Text Solution

Verified by Experts

`3. 09 xx 10^8 cm sec ^(-1)` ,
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    P BAHADUR|Exercise Exercise 8|19 Videos

  • CHEMICAL BONDING

    P BAHADUR|Exercise Exercise 7|11 Videos

Similar Questions

Explore conceptually related problems

stationary He^(o+) ion emits a photon corresponding to the first line (H_(4)) of the lyman series .The photon than emitted strikles a if atom in the ground state .Find the velocity of the photoelectron ejected out of the hydrogen atom .The value of R is 1.097 xx 10^(7)m^(-1)

A stationary hydrogen atom emits a photon corresponding to first line of the Lyman series. What velocity does the atom acquire?

A stationary helium ion emits a photon corresponding to the first line of Lyman series. That photon liberates a photoelectron form a stationary hydrogen atom in ground state. Find the velocity of photoelectron. Take mass of electron =9.11xx10^(-31)kg and ionisation energy of hydrogen atom=13.6ev.

A stationary hydrogen atom emits photn corresponding to the first line of Lyman series. If R is the Rydberg constant and M is the mass of the atom, then the velocity acquired by the atom is

A stationary hydrogen atom emits a photon corresponding to the first line of the Lyman series. What is the velocity of recoil of the atom? (m_(H)=1.672xx10^(-27) kg)

A H- like species emitted a photon corresponding to the first line of Lyman series. The photon liberated a photoelectron from He^(+) ion in ground state. The de-brogile wavelength of the photoelectron is 2Å . Select the correct statement (s).

[" A stationary "He'" ion emitted a photon corresponding to the first line of the lyman series.The "],[" photon liberates electron from a stationary hydrogen atom in the ground state.The velocity of "],[" the liberated electron is "3.1times10^(@)m/s" .Find "x" (you can make necessary approximations) "],[" [Here by lyman series it is meant that transition is from "n=2" to "n=1" for "He^(+)]]

The ratio of wavelength of photon corresponding to the alpha -line of Lyman series in H-atom and beta - line of Balmer series in He^(+) is :

An electron in the third energy level of an excited He^(o+) ion return back to the ground sate .The photon emitted in the process is absorbed by a stationary hydrogen atom in the process is absermine by a stationary hydrogen atom in the ground state .Determine the velocity of the photoelectron ejected from the hydrogen atom in metre per second

P BAHADUR-ATOMIC STRUCTURE-Exercise 9
  1. Consider the follwoing two elerctronic transition possibilites in a hy...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  14. An electron in a hydrogen like atom is in an excited state3 . It has a...

    Text Solution

    |

  15. A green ball weighs 75 g and comes travelling towards you at 400 cm ...

    Text Solution

    |

  16. Stationary He^(o+) ion emits a photon corresponding to the first line ...

    Text Solution

    |

  17. 2.4 mole of H2 sample was taken . In one experiment 60% of the sampl...

    Text Solution

    |

  18. what is he maximum precision with which the momentum of an electron ca...

    Text Solution

    |

  19. The photoelectric emission requires a threshold frequency v0 . For a ...

    Text Solution

    |

  20. Point out the anugular momentum of an electron in, (a) 4s orbital (b...

    Text Solution

    |