Home
Class 12
PHYSICS
If the work function for a certain metal...

If the work function for a certain metal is 1.8eV: What is the maximum speed of the electron?

Promotional Banner

Topper's Solved these Questions

  • Dual Nature of Radiation and Matter

    CHETANA PUBLICATION|Exercise EXERCISE|89 Videos

  • Current Electricity

    CHETANA PUBLICATION|Exercise Exercise|92 Videos

  • Electromagnetic Induction

    CHETANA PUBLICATION|Exercise EXERCISE|109 Videos

Similar Questions

Explore conceptually related problems

If the work function for a certain metal is 1.8eV: What is the stopping potential for electrons ejected from metal when light of wavelength 4000overset@ A shines on metal

Work function of metal is

Photoelectric work function of a metal is 3 eV. Find the maximum speed of photoelectrons emitted when radiation of wavelength 4000overset@ A is incident on the metal surface. (Given: mass of electron = 9.1 xx 10^-31 kg )

The work function for a certain metal is 4.2 eV. Will this metal give photoelectric emission for incident radiation of wavelength 330 nm?

Lights of two different frequencies whose photons have energies 1 eV and 2.5 eV respectively illuminate successively a metal surface whose work function is 0.7 eV. The ratio of the maximum speeds of the emitted electrons will have

Lights of two different frequencies whose photons have energies 1 and 2.5 eV, respectively, successively illuminate a metal whose work function is 0.5 eV. The ratio of the maximum speeds of the emitted electrons

Photoelectric work function for a metal surface is 3 eV. Find maximum K.E., maximum speed of photoelectron emitted when radiation of wavelength 4000overset@ A is incident, (mass of electron= 9.1 xx 10^-31 kg ).

The work function of caesium metal is 2.14 eV. When light of frequency 6 xx 10^14 Hz is incident on the metal surface, photoemission of electrons occurs. What is the maximum speed of the emmited photoelectrons ?

CHETANA PUBLICATION-Dual Nature of Radiation and Matter-EXERCISE
  1. If the work function for a certain metal is 1.8eV: What is the maximum...

    Text Solution

    |

  2. Determine frequency and wavelength of a photon having energy 1.3eW.

    Text Solution

    |

  3. Calculate the energy associated with a photon of wavelength 4000 overs...

    Text Solution

    |

  4. Aluminium metal has a threshold frequency corresponding to wavelength ...

    Text Solution

    |

  5. The threshold wavelength for silver is 3800overset@ A.Calculate the ph...

    Text Solution

    |

  6. Photoelectric work function for silver is 3.315 eV. Calculate the thre...

    Text Solution

    |

  7. The photoelectric work function for a metal surface is 2.4eV.If a ligh...

    Text Solution

    |

  8. The wavelength corresponding to the threshold frequency for a certain ...

    Text Solution

    |

  9. The photoelectric work function of the emitter of photoelectric cell i...

    Text Solution

    |

  10. The threshold frequency for a certain method is 3.3 xx 10^14 Hz. If li...

    Text Solution

    |

  11. The longest wavelength that can eject photo electrons from pt is 1950o...

    Text Solution

    |

  12. What is the wave number of a beam of light in air if its frequency is ...

    Text Solution

    |

  13. Energy of a photon is 2 eV. Find its frequency and wavelength.

    Text Solution

    |

  14. Calculate the momentum and Energy of a photon of wavelength 4000overse...

    Text Solution

    |

  15. The energy of a photon is10 xx 10^-19J.Calculate its wavelength.

    Text Solution

    |

  16. The work function of silver is 5.26 xx 10^-19J. Calculate its threshol...

    Text Solution

    |

  17. The work function of a metal is 1.6 xx 10^-19J. The metal surface is i...

    Text Solution

    |

  18. When light of wavelength 6000oerset@A falls on a metal surface, photoe...

    Text Solution

    |

  19. Calculate the de Broglie wavelength of proton, if its speed is 10^7 cm...

    Text Solution

    |

  20. Calculate the de Broglie wavelength of wave associated with a mass of ...

    Text Solution

    |

  21. Calculate the de Broglie wavelength of wave associated with a mass of ...

    Text Solution

    |