Home
Class 12
PHYSICS
In a Bohr atom the electron is replaced ...

In a Bohr atom the electron is replaced by a particle of mass 150 times the mass of the electron and the same charge . If `a_(0)` is the radius of the first Bohr orbit of the orbital atom, then that of the new atom will be

A

`150 a_(0)`

B

`sqrt(150) a_(0)`

C

`(a_(0))/(sqrt(150))`

D

`(a_(0))/(150)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ATOMS

    AAKASH SERIES|Exercise EXERCISE -III|25 Videos
  • ATOMS

    AAKASH SERIES|Exercise PROBLEM|24 Videos
  • ATOMS

    AAKASH SERIES|Exercise EXERCISE -IB|44 Videos
  • APPENDICES (REVISION EXERCISE)

    AAKASH SERIES|Exercise LAW OF MOTION|91 Videos
  • CAPACITORS

    AAKASH SERIES|Exercise PRACTICE SHEET (ADVANCED) (Integer Type Questions)|2 Videos
AAKASH SERIES-ATOMS-EXERCISE -II
  1. A hydrogen atom emits a photon corresponding to an electron transtion ...

    Text Solution

    |

  2. The wave number of energy emitted when electron jumbs from fourth orbi...

    Text Solution

    |

  3. In a Bohr atom the electron is replaced by a particle of mass 150 time...

    Text Solution

    |

  4. If the wavelength of first member of Balmer series of hydrogen spectru...

    Text Solution

    |

  5. A hydrogen-like atom (atomic number Z) is in a higher excited state of...

    Text Solution

    |

  6. Electrons from n = 2 to n= 1 in hydrogen atom is made to fall on a met...

    Text Solution

    |

  7. Let vartheta(1) be the frequency of the series limit of the Lyman seri...

    Text Solution

    |

  8. The transition from the state n = 4 to n = 3 in a hydrogen like atom r...

    Text Solution

    |

  9. Energy required for the electron excitation in Li++ from the first to ...

    Text Solution

    |

  10. What would be maximum wavelength for Brackett sereis of hydrogen-spect...

    Text Solution

    |

  11. What would be the radius of second orbit of He^(+)ion ?

    Text Solution

    |

  12. The wavelength of Lymen series for first number is

    Text Solution

    |

  13. The magnetic moment (mu) of a revolving electron around the nucleus ve...

    Text Solution

    |

  14. What is ratio of Bohr magneton to the nuclear magneton ?

    Text Solution

    |

  15. Out of the following which one is not a possible energy for a-photon t...

    Text Solution

    |

  16. Ionization potential of hydrogen atom is 13.6 eV hydrogen atoms in the...

    Text Solution

    |

  17. A hydrogen atom initially in the ground level absorbs a photon which e...

    Text Solution

    |

  18. The speed of the electron in a hydrogen atom in the n = 3 level is

    Text Solution

    |

  19. Hydrogen atom in ground state is excited by a monochromatic radiation ...

    Text Solution

    |

  20. In the spectrum of hydrogen , the ratio of the longest wave length in ...

    Text Solution

    |