Home
Class 11
CHEMISTRY
In two individual hydrogen atoms electro...

In two individual hydrogen atoms electrons move around the nucleus in circular orbits of radii R and 4R. The ratio of the time taken by them to complete one revolution is:

A

`1:4`

B

`4:1`

C

`1:8`

D

`8:7`

Text Solution

Verified by Experts

The correct Answer is:
C
`T alpha n^(3) :. (T_(1))/(T_(2)) =(n_(1)^(3))/(n_(2)^(3))` Where `n_(1) = 1, n_(2) = 2`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

In an atom two elerctrons move aroundhe nucleus in circulart orbits ro radii ( R) and ( 4 r) . The ratio of the time taken by them to complete one revolution is :

In two H atoms A and B the electrons move around the nucleus in circular orbits of radius r and 4r respectively. The ratio of the times taken by them to complete one revolution is

In an atom, two electron move around the nucleus in circular orbits taking time 't' and '8t' to complete one revolution. The ratio of their radii is

The angular momentum of the electron moving around the nucleus in a circular orbit of radius r is given by

the electron in the first orbit of hydrogen atom revolves round the nucleus in a circular orbit of radius 0.5 Å . It takes 1.5xx10^(-4) Ps to complete one revolution . What is the centripetal force acting on the electron ?

two electron are revolving around a nucleus at distance t and 4 r . The ratio of their periods is

The orbital speed of an electron orbiting around the nucleus in a circular orbit of radius r is v. Then the magnetic dipole moment of the electron will be

In Bohr model of hydrogen atom , the electron revolves around the nucleus in a circular orbit of radius 5.1 xx 10^(-11)m at a frequency of 6.8 xx 10^(15) revolutions per second. Find the equivalent current at may point on the orbit of the electron

NARAYNA-ATOMIC STRUCTURE-All Questions
  1. Which of the following postulates does not belong to Bohr's model of t...

    Text Solution

    |

  2. The mass of an electron is m, charge is e and it is accelerated from r...

    Text Solution

    |

  3. In two individual hydrogen atoms electrons move around the nucleus in ...

    Text Solution

    |

  4. The difference in angular momentum associated with electron in two suc...

    Text Solution

    |

  5. The ionization energy of a hydrogen atom in terms of Rydberg constant ...

    Text Solution

    |

  6. If the wavelength of series limit of Lyman series for He^(+) ions is x...

    Text Solution

    |

  7. The potential energy of an electron in the hydrogen atom is -6.8 eV. I...

    Text Solution

    |

  8. What is the potential energy of an electron present in N- shell of th...

    Text Solution

    |

  9. The distance between 4th and 3rd Bohr orbits of He^(+) is :

    Text Solution

    |

  10. The ratio of velocity of the electron in the third and fifth orbit of ...

    Text Solution

    |

  11. If in Bohr's model, for unielectronic atom, time period of revolution ...

    Text Solution

    |

  12. The ionization potential for the electron in the ground state of the h...

    Text Solution

    |

  13. The mass of a proton is 1836 times more than the mass of an electron. ...

    Text Solution

    |

  14. The energy of an electron moving in n^(th) Bohr's orbit of an element ...

    Text Solution

    |

  15. Potential energy of electron present in He^(+) is:

    Text Solution

    |

  16. The velocity of an e in excited state of H-atom is 1.093 xx 10^(6)m//s...

    Text Solution

    |

  17. The energy of a I,II and III energy levels of a certain atom are E,(4E...

    Text Solution

    |

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

    Text Solution

    |

  19. The number of revolutions made by electron in Bohr's 2nd orbit of hydr...

    Text Solution

    |

  20. Ratio of frequency of revolution of electron in the second state of H...

    Text Solution

    |