Home
Class 12
PHYSICS
The velocity of an electron in single el...

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

A

is independent of the atomic number of the element

B

increases with increases in atomic number

C

decreases with increases in atomic number

D

increases with increases in quantum number

Text Solution

Verified by Experts

The correct Answer is:
B
`V prop Z/n`
Promotional Banner

Topper's Solved these Questions

  • SIMPLE HARMONIC MOTION

    ALLEN |Exercise Exercise-02|19 Videos

  • SIMPLE HARMONIC MOTION

    ALLEN |Exercise Exercise- 3 Match The Column|1 Videos

  • SIMPLE HARMONIC MOTION

    ALLEN |Exercise SOME WORKED OUT EXAMPLES|29 Videos

  • RACE

    ALLEN |Exercise Basic Maths (Wave Motion & Dopplers Effect) (Stationary waves & doppler effect, beats)|25 Videos

  • TEST PAPER

    ALLEN |Exercise PHYSICS|4 Videos

Similar Questions

Explore conceptually related problems

The total energy of an electron in an atom in an orbit is -3.4 eV. Its kinetic and potential energies are, respectively:

If velocity of an electron in 1st orbit of H atoms is V , what will be the velocity in 3rd orbit of Li^(2+) ?

Calculate the velocity of an electron in the first Bohr orbit of a hydrogen atom

The velocity of electron v in the second orbit of hydrogen, then its velocity in the fifth orbit will be ......

Energy of an electron in the second orbit of hydrogen atom is E and the energy of electron in 3rd orbit of He will be

The velocity of electron is 1% of velocity of light . Calculate debrobile wavelength of electron.

ALLEN -SIMPLE HARMONIC MOTION-Exercise-01
  1. In problems involving electromagenetism it is often convenlent and inf...

    Text Solution

    |

  2. Which of the following transitions in hydrogen atoms emit photons of h...

    Text Solution

    |

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

    Text Solution

    |

  4. The energy level diagram is for a hypotenitcal atom. A gas of these at...

    Text Solution

    |

  5. The wave number of the series limit of Lyman series is -

    Text Solution

    |

  6. In a hypothetical system , a particle of mass m and charge -3 q is mov...

    Text Solution

    |

  7. The diagram to the right shows the lowest four energy levels for an el...

    Text Solution

    |

  8. An energy of 24.6 eV is required to remove one of that electrons from ...

    Text Solution

    |

  9. A photons was absorbed by a hydrogen atom in its ground state, and the...

    Text Solution

    |

  10. The K(alpha) X-ray emission line of tungsten occurs at lambda = 0.021 ...

    Text Solution

    |

  11. Which of the following are the characteristics required for the target...

    Text Solution

    |

  12. The wavelength of K(alpha) line for an element of atomic number 43 is ...

    Text Solution

    |

  13. The wavelength of K(alpha) X-rays of two metals A and B are 4 // 1875 ...

    Text Solution

    |

  14. On operating an X-ray tube at 1 kV. X-rays of minimum wavelength 6.22Å...

    Text Solution

    |

  15. In an X-rays tube, electrons striking a target are brought to rest, ca...

    Text Solution

    |

  16. The production of characteristic X-rays is due to-

    Text Solution

    |

  17. The constant 'a' Mosely's law sqrt(v) - a(Z-b) for k(alpha)X-rays is r...

    Text Solution

    |

  18. Characteristic X-rays are not obtained in the spectrum of H-atom becau...

    Text Solution

    |

  19. For the decay of nucleus, the possible reason which is not true

    Text Solution

    |

  20. Assuming that 200MeV of energy is released per fission of uranium ato,...

    Text Solution

    |