Home
Class 12
PHYSICS
The de-Broglie wavlength of an electron ...

The de-Broglie wavlength of an electron emitted fromt the ground state of an H-atom after the absoprtion of a photon quals `(1)/(2)` of the de-Broglie wavelength when it was in orbit. The energy of the photon abserobed is

A

`66 eV`

B

`13.6 eV`

C

`20.4 eV`

D

`136 eV`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MODERN PHYSICS

    DC PANDEY|Exercise for JEE Advanced (More than One Options is Correct )|1 Videos

  • MODERN PHYSICS

    DC PANDEY|Exercise Metch the column|6 Videos

  • MODERN PHYSICS

    DC PANDEY|Exercise Integer Type Questions|17 Videos

  • MAGNETISM AND MATTER

    DC PANDEY|Exercise Medical gallery|1 Videos

  • MODERN PHYSICS - 1

    DC PANDEY|Exercise Level 2 Subjective|23 Videos

Similar Questions

Explore conceptually related problems

The de-Broglie wavelength of an electron in the ground state of the hydrogen atom is

The de-Broglie wavelength of an electron revolving in the ground state orbit is

The de-Broglie wavelength of an electron in the first Bohr orbit is

The de Broglie wavelength of an electron in the 3rd Bohr orbit is

The de-Broglie wavelength of electron in gound state of an hydrogen atom is

The de broglie wavelength of an electron in the first Bohr orbit is equal to

The de-Broglie's wavelength in 1^(st) Bohr's orbit is

The de Broglie's wavelength of electron present in first Bohr orbit of 'H' atom is :

DC PANDEY-MODERN PHYSICS-for JEE Advanced (only one option is Correct)
  1. Two particles A and B have de-Broglie's wavelength 30Å combined to fro...

    Text Solution

    |

  2. The only source of energy in a particular star is the fusion reaction ...

    Text Solution

    |

  3. The de-Broglie wavlength of an electron emitted fromt the ground state...

    Text Solution

    |

  4. An electron and a proton are separated by a large distance and the ele...

    Text Solution

    |

  5. If light of wavelength of maximum intensity emitted from surface at te...

    Text Solution

    |

  6. When photon of wavelength lambda(1) are incident on an isolated sphere...

    Text Solution

    |

  7. The ground state and first excited state energies of hydrogen atom are...

    Text Solution

    |

  8. An electron is excited from a lower energy state to a higher energy st...

    Text Solution

    |

  9. The electron in a hydrogen atom makes a transition n(1) rarr n(2), whe...

    Text Solution

    |

  10. An electron in hydrogen atom first jumps from second excited state to ...

    Text Solution

    |

  11. The magnitude of energy, the magnitude of linear momentum and orbital ...

    Text Solution

    |

  12. The wavelengths and frequencies of photons in transition 1,2 and 3 for...

    Text Solution

    |

  13. Which of the following transition in He^(+) ion will give rise to a sp...

    Text Solution

    |

  14. Suppose the potential energy between an electron and a proton at a dis...

    Text Solution

    |

  15. Let A(n) be the area enclosed by the n^(th) orbit in a hydrogen atom. ...

    Text Solution

    |

  16. Hydrogen atom absorbs radiations of wavelength lambda0 and consequentl...

    Text Solution

    |

  17. The threshold wavelength for photoelectric emission for a material is ...

    Text Solution

    |

  18. From the following equation pick out the possible nuclear fusion react...

    Text Solution

    |

  19. In the Bohr model of the hydrogen atgom

    Text Solution

    |

  20. The mass number of a nucleus is.

    Text Solution

    |