Home
Class 12
CHEMISTRY
In Bohr' model of the hydrogen atoms the...

In Bohr' model of the hydrogen atoms the ratio between the period of revolution on an electron in the orbit n = 1 to the period of revolution of the electron in the orbit n = 2 is

A

`1:4`

B

`2:1`

C

`1:8`

D

`1:2`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MODEL TEST PAPER - 8

    KCET PREVIOUS YEAR PAPERS|Exercise CHEMISTRY|60 Videos
  • MODEL TEST PAPER 10

    KCET PREVIOUS YEAR PAPERS|Exercise CHEMISTRY|60 Videos

Similar Questions

Explore conceptually related problems

The period of revolution of an electron in the ground state of hydrogen atom is T. The period of revolution of the electron in the first excited state is

The period of revolution of an electron revolving in n^(th) orbit of H - atom is propportinal to .

Frequency of revolution of an electron revolving in n^(th) orbit of H-atom is proportional to

The angular momentum of the electron in the second Bohr orbit is

The energy of an electron in the second Bohr orbit of H-atomis -E. The enrgy of the electron in the Bohr's first orbit is

The velocity of electron in the third Bohr orbit of hydrogen is v. The velocity of the electron in the first orbit would be:

Force acting on an electron in Bohr orbit with quantum number n is proportional to

calculate the frequency of revolution of the electron in the ground state of hydrogen atom.

KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER 02-CHEMISTRY
  1. The molecular weight of a gas is 44. The volume occupied at STP by 2.2...

    Text Solution

    |

  2. ""(90)Th, a member of III group on losing alpha-particle forms a new e...

    Text Solution

    |

  3. In Bohr' model of the hydrogen atoms the ratio between the period of r...

    Text Solution

    |

  4. Which gas is adsorbed by charcoal?

    Text Solution

    |

  5. 2-methyl phenol is

    Text Solution

    |

  6. m-chlorobenzaldehyde on reaction with conc. KOH at room temperature gi...

    Text Solution

    |

  7. Nitroalkane is acidic only towards

    Text Solution

    |

  8. Two moles of acetic acid are heated with P(2)O(5). The product formed ...

    Text Solution

    |

  9. Two moles of acetic acid are heated with P(2)O(5). The product formed ...

    Text Solution

    |

  10. The number of methoxy groups in a compound can be determined by treati...

    Text Solution

    |

  11. The bad smelling substance formed by the action of alcoholic caustic p...

    Text Solution

    |

  12. What volume of methane is formed from 8.2 g of sodium acetate by fusio...

    Text Solution

    |

  13. Anhydrous CaCl(2) is used as drying agent because it

    Text Solution

    |

  14. An optically active compound has 3 different asymmetric carbon atoms. ...

    Text Solution

    |

  15. Na(2)CO(3) cannot be used in place of (NH(4))(2)CO(3) for the percipit...

    Text Solution

    |

  16. Gold dissolves in aqua-regia forming

    Text Solution

    |

  17. One of the constituents of German silver is

    Text Solution

    |

  18. Which compound most readily forms hydrogen bonds between its molecules...

    Text Solution

    |

  19. Ozone reacts with moist iodine giving

    Text Solution

    |

  20. Which liberates H(2) with HNO(3)?

    Text Solution

    |