Home
Class 11
CHEMISTRY
The frequency of radiation emitte when t...

The frequency of radiation emitte when the electron falls from 'n=4' to 'n=1' in 'a' hydrogen atom will be (given ionization energy of 'H=2.1810^(-18) J' atom '^(-1)' and 'h=' '6.625 xx 10^(-34)' Js)

A

1.03 xx 10^3 s^(-1)'.

B

3.08 xx 10^(15) s^(-1)'

C

2.00 xx 10^(15)s^(-1)'

D

1.54 xx 10^(15)s^(-1)'

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • STATES OF MATTER

    V PUBLICATION|Exercise QUESTION BANK|97 Videos

  • THE p - BLOCK ELEMENTS

    V PUBLICATION|Exercise QUESTION BANK|107 Videos

Similar Questions

Explore conceptually related problems

Calculate the energy of radiation emitted for the electronic transition from infinity to ground state for hydrogen atom. Given c = 3xx10^(8)" ms"^(-1), R_(H) = 1.09678 xx 10^(7) m^(-1), h = 6.6256 xx 10^(-34)" J s"^(-1)

What is the wavelength of light emitted when the electron in a hydrogen atom undergoes transmission from n=4 to n=2? ( R_(H) = 109677 cm^(-1) )

An electron is moving with kinetic energy of '2.275 xx 10^(-25) J .' Calculate its de Broglie wavelength: '(m_e=9.1 xx 10^(-31), kg, h=6.6 xx 10^(-34) Js)'

Radiation of certain frequency is emitted when electronic transition occurs from n = 4 to n = 2 in He^(+) which transition in H atom gives radiation of the same frequency?

What is the wavelength of an electron if its kinetic energy is '4.55 xx 10^(-25)' Joules? (Mass of electron '=9.1 xx 10^(-31) kg' and 'h=6.6 xx 10^(-34) kgm^2 s^(-1)' )

Find the maximum number of emission lines, when the excited electron of hydrogen atom in n = 6, drops to the ground state (n = 1)

The electron energy for the quantum number n = 2 in a hydrogen atom is Given, m =9.1xx10^(-31)"kg",e=1.6xx10^(-19) C,h =6.6xx10^(-34)"kgm"^(2)s^(-1)

Calculate the energy of a radiation having a wavelength of '4000 A (h=6.6 xx 10^(-34)) J s)'

What is the energy in joules required to shift the electron of the hydrogen atom from the first Bohr orbit to the fifth Bohr orbit and what is the wavelength of the light emitted when the electron returns to the ground state? The ground state electron energy is -2.18xx10^(-11) ergs. (1erg=10^(-7)J)

V PUBLICATION-STRUCTURE OF ATOM-QUESTION BANK
  1. If the nitrogen atom had electronic configuration '1 s^7', it would ha...

    Text Solution

    |

  2. For d-elecron the orbital angular momentum is

    Text Solution

    |

  3. Time taken for an electron to complete one revolution in the Bohr orbi...

    Text Solution

    |

  4. The frequency of radiation emitte when the electron falls from 'n=4' t...

    Text Solution

    |

  5. The correct set of quantum numbers for the unparied electron of 'Cl' a...

    Text Solution

    |

  6. The ratio of area covered by second orbit to the first orbit is 1:...

    Text Solution

    |

  7. The relationship between energy 'E', of the radiation with at waveleng...

    Text Solution

    |

  8. Effective magnetic moment of 'Sc^((3+))' ion is

    Text Solution

    |

  9. Find the magnetic.moment of a divalent ion in aqueous solution if its ...

    Text Solution

    |

  10. Find the magnetic.moment of a divalent ion in aqueous solution if its ...

    Text Solution

    |

  11. The correct order of number of unpaired electrons in the ions : 'Cu^((...

    Text Solution

    |

  12. The energy of second Bohr orbit of the hydrogen atom is '-328 kJ mol^(...

    Text Solution

    |

  13. The number of radial nodes of '3 s' and '2 p' -orbitals are respective...

    Text Solution

    |

  14. In a multielectron atom, which of the following orbitals described by ...

    Text Solution

    |

  15. Which of the following statements in relation to the hydrogen atom is ...

    Text Solution

    |

  16. The energy of second Bohr orbit of the hydrogen atom is '-328 kJ mol^(...

    Text Solution

    |

  17. Which of the follawing transition will have minimum wavelength? n4...

    Text Solution

    |

  18. A metal surface is exposed to solar radiations

    Text Solution

    |

  19. Electrons will fist enter into the orbital with the set of quantum num...

    Text Solution

    |

  20. According to Bhr's theory, the angular momentum of an electron in 5 th...

    Text Solution

    |