Home
Class 12
PHYSICS
Calculate the frequency of the photon, w...

Calculate the frequency of the photon, which can excite the electron to -3.4 eV from -13.6 eV.

Text Solution

Verified by Experts

The correct Answer is:
`2.47 xx 10^(15) Hz`
Promotional Banner

Topper's Solved these Questions

  • ATOMS, NUCLEI AND MOLECULES

    SL ARORA|Exercise Problem|32 Videos

  • AC CIRCUITS AND ELECTRIC CIRCUITS

    SL ARORA|Exercise problem|57 Videos

  • CAPACITORS

    SL ARORA|Exercise problem for self practive|65 Videos

Similar Questions

Explore conceptually related problems

The ground state energy of the hydrogen atom is 13.6 eV. Calculate (i)the kinetic energy of the electron in the 1^(st) excited state. (ii)the potential energy of the electron in the 3^(rd) excited state. (iii)frequency of the photon emitted if the electron jumps from the 3^(rd) excited state of 1^(st) excited state.

Calculate the frequency of a photon, having energy 41.25 eV. (h=6.6xx10^(-34) Js) .

A hydrogen atom is in an excited state corresponding to an energy level of -0.85 eV. The frequency of the photon emitted if it comes down to the ground state (-13.6 eV) in a single jump is

Find frequency of a photon of energy 3.3 eV?

Calculate the energy of a photon in eV for a radio wave of frequency one M Hz.

Calculate the threshold frequency of a photon from a photosensitive surface of work function 0.2 eV . Take h=6.6xx10^(-34)Js.

Calculate the threshold frequency of photon for photoelectric emission from a metal of work function 0.1 eV.

The ionization energy for the hydrogen atom is 13.6 eV then calculate the required energy in eV to excite it from the ground state to 1^(st) excited state.

Calculate the longest wavelength that can an electron from the first bohr given E_(1) = 13.6 eV

An electron is orbitting in the fourth Bohr orbit. Calculate the ionisation energy for this atom, if the ground state energy is -13.6 eV.

SL ARORA-ATOMS, NUCLEI AND MOLECULES-Problems For Self Practice
  1. Calculate the energy of the hydrogen atom in the states n = 4 and n = ...

    Text Solution

    |

  2. Calculate (i) the radius of the second orbit of hydrogen atom, and (ii...

    Text Solution

    |

  3. Calculate the frequency of the photon, which can excite the electron ...

    Text Solution

    |

  4. The ground state energy of hydrogen atom is -13.6eV. If an electron ma...

    Text Solution

    |

  5. Show that the ionisation potential of hydrogen atom is 13.6 volt.

    Text Solution

    |

  6. Calculate the ionisation potential of a single ionised He-atom.

    Text Solution

    |

  7. Calculate the minimum energy that must be given to a hydrogen atom so ...

    Text Solution

    |

  8. What energy in eV will be required to excite the ground state electron...

    Text Solution

    |

  9. By giving energy to a hydrogen atom in energy state n=1. If the potent...

    Text Solution

    |

  10. The wavelength of H(alpha) line is Balmer series is 6563 Å. Compute th...

    Text Solution

    |

  11. If the wavelength of the first member of Balmer series in hydrogen spe...

    Text Solution

    |

  12. The second member of Lyman's series is hydrogen spectrum has a wavelen...

    Text Solution

    |

  13. The energy of K-electron in tungsten is -20.0 keV and of an L-electron...

    Text Solution

    |

  14. The P.E. of a normal hydrogen atom in ground state is -27 eV. Calculat...

    Text Solution

    |

  15. A photon of energy 12.09 eV is absorbed by an electron in ground state...

    Text Solution

    |

  16. The period of revolution of the electron in the third orbit in a hydro...

    Text Solution

    |

  17. The first excitation potential of sodium atom is 2.1 V. Calculate the ...

    Text Solution

    |

  18. In a hydrogen atom, a transition takes place from n = 3 to n = 2 orbit...

    Text Solution

    |

  19. What is the equivalent energy of a 10 mg mass ?

    Text Solution

    |

  20. Calculate the mass equivalent of 1amu.

    Text Solution

    |