Home
Class 12
PHYSICS
In a hydrogen atom, infared radiations a...

In a hydrogen atom, infared radiations are obtained in the transition of an electron from

A

`n_i=2 "to" n_f=1`

B

`n_i=3 "to" n_f=2`

C

`n_i=5 "to" n_f=4`

D

`n_i=6 "to" n_f=2`

Text Solution

Verified by Experts

The correct Answer is:
C
Only lines corresponding to `n_f = 3` or 4 or 5 lie in infrared region .
Promotional Banner

Topper's Solved these Questions

  • ATOMS, MOLECULES AND NUCLEI

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|30 Videos

  • CIRCULAR MOTION

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP-20|1 Videos

Similar Questions

Explore conceptually related problems

The transition from the state n=4 to n=3 in a hydrogen is ultraviolet radiation. Infrared radiation will be obtained in the transition from:

The transition form the state n = 3 to n = 1 in a hydrogen-like atom results in ultraviolet radiation. Infared radiation will be obtained in the transition from

In a hydrogen atom, ultraviolet radiations are emitted when the electron jumps from

The transition from state n=4 to n=3 in a He⊕ ion results in ultraviolet radiation. Infrared radiation will be obtained in the transition from

The transtion from the state n = 4 to n = 3 in a hydrogen like atom results in ultraviolet radiation Infrared rediation will be obtained in the transition from :

For the hydrogen atom the energy of radiation emitted in the transitation from 4th excited state to 2nd exicited state according to Bohr 's theory is

Using Bohr's theory show that when n is very large the frequency of radiation emitted by hydrogen atom due to transition of electrom from n to (n-1) is equal to frequency of revolution of electron in its orbit.

MARVEL PUBLICATION-ATOMS, MOLECULES AND NUCLEI -TEST YOUR GRASP
  1. In a hydrogen atom, infared radiations are obtained in the transition ...

    Text Solution

    |

  2. According to Rutherford's atom model, the electrons revolving round th...

    Text Solution

    |

  3. The velocity of an electron in the first Bohr orbit of hydrogen atom i...

    Text Solution

    |

  4. The radius of the orbital of electron in the hydrogen atom 0.5 Å. The ...

    Text Solution

    |

  5. The radius of hydrogen atom in its ground state is 5.3 xx 10^-11 m. Af...

    Text Solution

    |

  6. In hydrogen atom, if the difference in the energy of the electron in n...

    Text Solution

    |

  7. The series limit of Balmer series is 6400 Å. The series limit of Pasch...

    Text Solution

    |

  8. An electron jumps from the 3rd orbit to the ground orbit in the hydrog...

    Text Solution

    |

  9. If the following atoms and molecylates for the transition from n = 2 t...

    Text Solution

    |

  10. The diagram shows the energy levels for an electron in a certain atom....

    Text Solution

    |

  11. The de-Broglie wavelength of a particle having a momentum of 2xx10^(-2...

    Text Solution

    |

  12. What will be the ratio of de - Broglie wavelengths of proton and alpha...

    Text Solution

    |

  13. de-Broglie wavelength associated with an electron accelerated through ...

    Text Solution

    |

  14. An electtron and a photon have same wavelength . If p is the moment of...

    Text Solution

    |

  15. An X ray tube is operated at an accelerating potential of 40 kV. What ...

    Text Solution

    |

  16. A The wavelength of the Kalpha line ofthe characteristic X rays emitt...

    Text Solution

    |

  17. In the following reaction. .12 Mg^24 + .2He^4 rarr .14 S i^X +.0 n^1...

    Text Solution

    |

  18. The radius of germanium (Ge) nuclide is measured to be twice the radiu...

    Text Solution

    |

  19. The binding energy per nucleon is maximum in the case of.

    Text Solution

    |

  20. The binding energy per nucleon of O^16 is 7.97 MeV and that of O^17 is...

    Text Solution

    |

  21. In any fission the ratio ("mass of fission produts")/("mass of paren...

    Text Solution

    |