Home
Class 12
PHYSICS
Energy in a Bohr's orbit is given to be ...

Energy in a Bohr's orbit is given to be equal to `B/n^(2)` with `B= -16 xx 10^(-18)` J. The wavelength of the radiation, when the electron jumps from fourth orbit to second orbit, is `(e = 3 xx 10^(8) m//s)`

A

`10^(8)` j

B

`10^(26)` h

C

`(3 xx 10^(16))/16` h

D

`3 xx 10^(18)` h

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ATOMS, MOLECULES AND NUCLEI

    TARGET PUBLICATION|Exercise Competitive Thinking|180 Videos

  • ATOMS, MOLECULES AND NUCLEI

    TARGET PUBLICATION|Exercise Evaluation test|19 Videos

  • ATOMS, MOLECULES AND NUCLEI

    TARGET PUBLICATION|Exercise Evaluation test|19 Videos

  • CIRCULAR MOTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|11 Videos

Similar Questions

Explore conceptually related problems

when an electron jumps from the fourth orbit to the second orbit, one gets the

The wavelength of the radiation emitted when an electron falls from Bohr 's orbit 4 to 2 in H atom is

Find the wavelength of the emitted radiation,if electron in hydrogen atom jumps from third orbit to second orbit.

Energy in the nth Bohr's is given by E = (-2.179 xx 10^(-18))/(n^(2)) J s Calculate the frequency and wave number of the radiation emitted when an electron jumps from the third orbit to the second orbit (h = 6.62 xx 10^(34) J s)

Calculate the wavelength of photon emitted when an electron jumps form 3rd orbit to 2nd orbit. Take R=1.097xx10^(7)m^(-1) . Is the photon visible ?

An imaginary particle has a charge equal to that of an electron and mass 100 times tha mass of the electron. It moves in a circular orbit around a nucleus of charge + 4 e. Take the mass of the nucleus to be infinite. Assuming that the Bhor model is applicable to this system. (a)Derive an experssion for the radius of nth Bhor orbit. (b) Find the wavelength of the radiation emitted when the particle jumps from fourth orbit to the second orbit.

What is the ratio of wavelength of radiations emitted when an electron in hydrogen atom jump from fourth orbit to second ornti and from third orbit to second orbit?

When the electron in a hydrogen atom jumps from the second orbit to the first orbit , the wavelength of the radiation emitted is lamda . When the electron jumps from the third orbit to the first orbit , of the same atom , the wavelength of the emitted radiation would be

The energy of the electron in the second and third Bohr's orbitals of the hydrogen atom is -5.42 xx 10^(-12) erg and -2.42 xx 10^(-12) erg respectively ,Calculate the wavelength of the emitted radiation when the electron drop from the third to the second orbit

TARGET PUBLICATION-ATOMS, MOLECULES AND NUCLEI -Critical Thinking
  1. A ground state hydrogen atom has an energy of -13.6 eV. If the electro...

    Text Solution

    |

  2. The orbital velocity of the electron in the ground state of hydrogen a...

    Text Solution

    |

  3. Energy in a Bohr's orbit is given to be equal to B/n^(2) with B= -16 x...

    Text Solution

    |

  4. The series limit wavelength of the Lyman series for the hydrogen atom ...

    Text Solution

    |

  5. The longest wavelength limit of Lyman series is

    Text Solution

    |

  6. An electron jumps from the 4th orbit to the 1st orbit of hydrogen atom...

    Text Solution

    |

  7. A monochromatic beam of light is absorbed by a collector of ground sta...

    Text Solution

    |

  8. The shortest wavelength in H sopecitrum of lyman series when R(H) = 1...

    Text Solution

    |

  9. The ratio of the frequencies of the long wavelength limits of the Brac...

    Text Solution

    |

  10. The first line of Balmer series has wvaelength 6563 Å. What will be th...

    Text Solution

    |

  11. If series limit of Balmer series is 6400 Å, then series limit of Pasch...

    Text Solution

    |

  12. An electron jumps from 3rd to 2nd orbit of hydrogen atom. Taking the R...

    Text Solution

    |

  13. The wavelength of emitted radiation in terms of R (the Rydberg constan...

    Text Solution

    |

  14. Shortest wavelength in the Lymann series is 912 Å. The longest wavelen...

    Text Solution

    |

  15. The wavelength of the first lime of the Lyman series of hydrogen is 12...

    Text Solution

    |

  16. Wavelength of radiation emitted when an electron jumps from a state A ...

    Text Solution

    |

  17. Let X and Z bethe frequencies of series limit of Lyman series and Balm...

    Text Solution

    |

  18. Assertion: The density of the nuclei of all the atoms is same. Reaso...

    Text Solution

    |

  19. When a .4 Be^9 atom is bombarded with prop-particle, one of the produc...

    Text Solution

    |

  20. Highly energetic electrons are bombarded on a target of an element con...

    Text Solution

    |