Home
Class 12
PHYSICS
If the radius of an orbit is r and the v...

If the radius of an orbit is `r` and the velocity of electron in it is `v` , then the frequency of electron in the orbit will be

A

`2pi rv`

B

`(2pi)/(vr)`

C

`(vr)/(2pi)`

D

`(v)/(2pir)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ATOMS

    AAKASH SERIES|Exercise EXERCISE -IB|44 Videos
  • ATOMS

    AAKASH SERIES|Exercise EXERCISE -II|35 Videos
  • ATOMS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|21 Videos
  • APPENDICES (REVISION EXERCISE)

    AAKASH SERIES|Exercise LAW OF MOTION|128 Videos
  • CAPACITORS

    AAKASH SERIES|Exercise PRACTICE SHEET (ADVANCED) (Integer Type Questions)|2 Videos

Similar Questions

Explore conceptually related problems

Electron Orbits

The radius of the an orbit of Be^(+3) ion is 0.529Å. The velocity of electron in this orbit will be

What is the velocity of electron in second orbital of He^(+) ion.

Which of the following option(s) is/are independent of both n and Z for H- like species? U_(n) = Potential energy of electron in n^(th) orbit KE_(n) = Kinetic energy of electron in n^(th) orbit l_(n) = Angular momentam of electoron in n^(th) orbit v_(n) = Velcity of electron in n^(th) orbit f_(n) = Frequency of electron in n^(th) orbit T_(n) = Time period of revolution of electron in n^(th) orbit

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

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 electron moving in 3rd orbit of He^(+) is v. The velocity of electron moving in 2nd orbit of Li^(+2) is

If an electron is moving with velocity v in an orbit of radius r then the equivalent magnetic field at the centre will be:

The velocity of an electron in single electron atom in an orbit

The ratio of the radius of the Bohr orbit for the electron orbiting the hydrogen nucleus that of the electron orbiting the deuterium nucleus is approximately

AAKASH SERIES-ATOMS-EXERCISE -IA
  1. Consider a spectral line resulting n = 5 to n = 1, in the atom and los...

    Text Solution

    |

  2. In which of the following systems will be the radius of the first orbi...

    Text Solution

    |

  3. If the radius of an orbit is r and the velocity of electron in it is v...

    Text Solution

    |

  4. As the n (number of orbit) increases, the difference of energy between...

    Text Solution

    |

  5. In which of the following transitions will the wavelength be minimum ?

    Text Solution

    |

  6. Which of the following parameters are the same for all hydrogen like a...

    Text Solution

    |

  7. The angular momentum of an electron in a hydrogen atom is proportional...

    Text Solution

    |

  8. The electron in a hydrogen atom makes a transition from an excited sta...

    Text Solution

    |

  9. In a hydrogen atom, the radius of n^(th) bohr orbit is rn. The graph b...

    Text Solution

    |

  10. How many waves will be made by an electron in the hydrogen atom if it ...

    Text Solution

    |

  11. An electron in the ground state of hydrogen atom is revolving in antic...

    Text Solution

    |

  12. when an electron falls from a higher energy to a lower energy level th...

    Text Solution

    |

  13. The de- broglie wavelength of an electron in the first bohr orbit is

    Text Solution

    |

  14. Bohr's basic idea of discrete energy levels in atoms and the process o...

    Text Solution

    |

  15. From quantisation of angular momentum one gets for hydrogen atom, the ...

    Text Solution

    |

  16. the excitation energy of lyman last lines is

    Text Solution

    |

  17. The change in orbital angular momentum corresponding to an electron tr...

    Text Solution

    |

  18. The minimum magnetic dipole moment of electron in hydrogen atom is

    Text Solution

    |

  19. Total energy of the electron in hydrogen atom above 0 eV leads to

    Text Solution

    |

  20. An ionized H-molecule consists of an electron and two protons. The pro...

    Text Solution

    |