Home
Class 12
PHYSICS
First orbit velocity of electron is 2.1 ...

First orbit velocity of electron is `2.1 xx 10^(6) m//s` then the velocity of 3rd orbit electron is

A

`7 xx 10^(6) m//s`

B

`6 xx 10^(6) m//s`

C

`7 xx 10^(7) m//s`

D

`0.7 xx 10^(6) m//s`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ATOMS, MOLECULES AND NUCLEI

    TARGET PUBLICATION|Exercise Evaluation test|19 Videos

  • ATOMS, MOLECULES AND NUCLEI

    TARGET PUBLICATION|Exercise Critical Thinking|62 Videos

  • CIRCULAR MOTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|11 Videos

Similar Questions

Explore conceptually related problems

If the velocity of an electron in its first orbit of hydrogen atom is 2.1 xx10^(6) m/s, then its velocity in the third orbit is

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

The velocity of an electron in the first Bohr orbit of hydrogen atom is 2.19 xx 10^(6)ms^(-1) . Its velocity in the second orbit would be

The velocity of an electron in the second Bohr orbit of an element is 1.1 xx 10^(6) s^(-1) Its velocity in the third orbit is

Velocity Of Electron In Nth Orbit

The angular speed of the electron in the first orbit in a H atom is 4.103 xx 10^(16) rad/s. Hence the angular speed of the electron in the third orbit is

Bohr's Model(velocity of electron in an orbit)

The velocity of the electron in the first Bohr's orbit is 2.181xx10^(6) m//s . The linear velocity of electron in third orbit is

TARGET PUBLICATION-ATOMS, MOLECULES AND NUCLEI -Competitive Thinking
  1. The period of revolution of an electron in the ground state of hydroge...

    Text Solution

    |

  2. When electron jumps from n=4 level to n=1 level,the angular momentum o...

    Text Solution

    |

  3. First orbit velocity of electron is 2.1 xx 10^(6) m//s then the veloci...

    Text Solution

    |

  4. The ionization potential of a hydrogen atom is 13.6 eV. What will be t...

    Text Solution

    |

  5. Energy E of a hydrogen atom with principle quantum number n is given b...

    Text Solution

    |

  6. For the hydrogen atom the energy of radiation emitted in the transita...

    Text Solution

    |

  7. Energy required for the electron excitation in Li^(++) from the first ...

    Text Solution

    |

  8. The ionisation potential of hydrogen atom is 13.6 eV. The energy requi...

    Text Solution

    |

  9. An electron collides with a hydrogen atom in its ground state and exci...

    Text Solution

    |

  10. The ground state energy of hydrogen atom is -13.6 eV. What is the pote...

    Text Solution

    |

  11. The ratio of kinetic energy to the total energy of an electron in a Bo...

    Text Solution

    |

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

    Text Solution

    |

  13. The values of potential energy, kinetic energy and the total energy of...

    Text Solution

    |

  14. Total energy of electron in an excited state of hydrogen atom is -3.4 ...

    Text Solution

    |

  15. The transition of an electron from n(2)=5,6….. To n(1) =4 gives rise t...

    Text Solution

    |

  16. The lines of Lyman sereis are present in which region of the spectrum?

    Text Solution

    |

  17. Balmer series lies in which spectrum?

    Text Solution

    |

  18. Which one of the series of hydrogen spectrum is in the visible region ...

    Text Solution

    |

  19. In Bohr's theory of hydrogen atom, the electron jumps from higher orbi...

    Text Solution

    |

  20. If lambda(1) and lambda(2) are the wavelength of the first members of ...

    Text Solution

    |