Home
Class 12
PHYSICS
The velocity of electron in first orbit ...

The velocity of electron in first orbit of H-atom as compared to the velocity of light is

Text Solution

Verified by Experts

The orbital velocity is 1/137 times the velocity of light.
Promotional Banner

Topper's Solved these Questions

  • ATOMS

    MODERN PUBLICATION|Exercise Revision Exercise (Fill in the blanks )|8 Videos

  • ATOMS

    MODERN PUBLICATION|Exercise Revision Exercise (Short Answer )|23 Videos

  • ATOMS

    MODERN PUBLICATION|Exercise Hots|5 Videos

  • ALTERNATING CURRENT

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST|16 Videos

  • CURRENT ELECTRICITY

    MODERN PUBLICATION|Exercise Chapter Practice Test|15 Videos

Similar Questions

Explore conceptually related problems

Velocity of electron in the first orbit of H-atom as compared to that of velocity of light is approximately

Energy of electron in a orbit of H -atom is

The velocity of the electron in the first Bohr orbit as compared to that of light is about

The velocity of an electron in the first orbit of H atom is v . The velocity of an electron in the second orbit of He^(+) is

The velocity of an electron in the first orbit of H-atom is v. The velocity of an electron in the 2nd orbit

Velocity Of Electron In Nth Orbit

If velocity of an electron in I orbit of H atom is V , what will be the velocity of electron in 3^(rd) orbit of Li^(2+)

If velocity of an electron in Ist orbit of AH atoms is V , what will be the velocity in 3rd orbit of Li^(2+) ?

MODERN PUBLICATION-ATOMS -Revision Exercise (Very Short )
  1. The energy of an electron in the nth Bohr orbit of hydrogen atom is

    Text Solution

    |

  2. The short wavelength limits of Lyman, Paschen and Balmer series in the...

    Text Solution

    |

  3. The velocity of electron in first orbit of H-atom as compared to the v...

    Text Solution

    |

  4. What is the value of Rydberg constant?

    Text Solution

    |

  5. Write an expression for Bohr's radius in hydrogen atom.

    Text Solution

    |

  6. Write an empirical relation for the Balmer series of hydrogen atom.

    Text Solution

    |

  7. What are the values of first and second excitation potential of hydrog...

    Text Solution

    |

  8. Name the spectral series of hydrogen atom, which be in infrared region...

    Text Solution

    |

  9. The radius of innermost electron orbit of a hydrogen atom is 5.3xx10^(...

    Text Solution

    |

  10. Write the Bohr's frequency condition.

    Text Solution

    |

  11. EXCITATION ENERGY AND EXCITATION POTENTIAL

    Text Solution

    |

  12. Write the expression for total energy of an electron in n^(th) orbit.

    Text Solution

    |

  13. The frequency of H(beta) line of lyman seris of hydrogen is

    Text Solution

    |

  14. For an electron in the second orbit of hydrogen, the angular momentum ...

    Text Solution

    |

  15. According to de Broglie's explanation of Bohr's second postulate of qu...

    Text Solution

    |

  16. Which of the following series of H-atom lies in visible range?

    Text Solution

    |

  17. The energy equivalent of one atomic mass unit is

    Text Solution

    |

  18. The energy of an electron in the nth Bohr orbit of hydrogen atom is

    Text Solution

    |

  19. The nuclear model of atom was given by

    Text Solution

    |

  20. Which model of atom suggests that atom is a spherical cloud of positiv...

    Text Solution

    |