Home
Class 12
CHEMISTRY
The ratio of radius of two different orb...

The ratio of radius of two different orbits in a H-atom is 4: 9 Then, the ratio of the frequency of revolution of electron in these orbits is

A

`2:3`

B

`27:8`

C

`3:2`

D

`8:27`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • D BLOCK ELEMENTS

    RESONANCE|Exercise EXERCISE-3 PART-III|37 Videos
  • ELECTRO CHEMISTRY

    RESONANCE|Exercise PHYSICAL CHEMITRY (ELECTROCHEMISTRY)|53 Videos

Similar Questions

Explore conceptually related problems

Find the frequency of revolution of the electron in the first orbit of H-atom

Frequency of revolution of electron in the n^(th) Bohr's orbit is given by

The ratio of the radii of the first three Bohr orbit in H atom is

What is the frequency of revolution of electron present in 2nd Bohr's orbit of H- atom ?

In a hydrogen atom, the binding energy of the electron in the ground state is E_(1) then the frequency of revolution of the electron in the nth orbit is

Ratio of radii of second and first Bohr orbits of H atom

RESONANCE-DPP-QUESTIONS
  1. The energy of an excited H-atom is -1.51 eV. Angular momentum of e^- i...

    Text Solution

    |

  2. The radius of the an orbit of Be^(+3) ion is 0.529Å. The velocity of e...

    Text Solution

    |

  3. The ratio of radius of two different orbits in a H-atom is 4: 9 Then, ...

    Text Solution

    |

  4. In a gasseous mixture, if alkane (C(x)H(2x +2)) and alaene (C(y)H(2y))...

    Text Solution

    |

  5. Which of the following charge (s) can exist on an oil drop (in Millik...

    Text Solution

    |

  6. A single electron orbits around a stationary nucleus of charge +Ze. It...

    Text Solution

    |

  7. Which one of the following relationships when graphed does not give a ...

    Text Solution

    |

  8. Infrared lamps are used in restaurants to keep the food warm. The infr...

    Text Solution

    |

  9. The number of revolutions/sec made by an electron in lind orbit is 8 t...

    Text Solution

    |

  10. In the Bohr's model , for unielectronic species following symbols are ...

    Text Solution

    |

  11. What is the ratio of the wave lengths of last lines of Balmer and Lyma...

    Text Solution

    |

  12. Number of possible sepectral lines which ,may br emitted in bracket s...

    Text Solution

    |

  13. What minimum number of atoms lions should be present in a sample of H-...

    Text Solution

    |

  14. In a mixture of sample of H-atoms and He ions, electrons in all the H-...

    Text Solution

    |

  15. Volume at NTP of 0.22 g of CO(2) is same as that of

    Text Solution

    |

  16. Which of the following is incorrect about a sample of 11.2L CH4 gas at...

    Text Solution

    |

  17. Boron has two isotopes, B-10 and B-11. The average atomic mass of boro...

    Text Solution

    |

  18. 0.2 moles of an unknown compound weigh 5.6 g. The unknown compound is

    Text Solution

    |

  19. Be^(3+) and a proton are accelerated by the same potential, their de-...

    Text Solution

    |

  20. If numerical value of mass and velocity are equal then de Broglie wave...

    Text Solution

    |