Home
Class 12
PHYSICS
Work function of a photosensitive metal ...

Work function of a photosensitive metal is 1.875 eV. Calculate the wavelength of incident light, which will just cause the emission of photoelectrons.

Promotional Banner

Topper's Solved these Questions

  • Optical Instruments

    PUNJAB BOARD PREVIOUS YEAR PAPERS|Exercise EXERCISE|62 Videos
  • Polarisation of Light

    PUNJAB BOARD PREVIOUS YEAR PAPERS|Exercise Exercise|16 Videos

Similar Questions

Explore conceptually related problems

What is the effect of decrease in wavelength of incident light on the velocity of photoelectrons?

The work function of sodium is 2.3 eV. Calculate the maximum wavelength for the light that will cause photoelectrons to be emitted from sodium.

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, photomission of electrons occurs. What is the maximum speed of the emitted photoelectrons?

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, photomission of electrons occurs. What is the maximum kinectic energy of the emitted electrons.

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, photomission of electrons occurs. What is the stopping potential.

PUNJAB BOARD PREVIOUS YEAR PAPERS-Particle Nature of Radiation-Exercise
  1. Calculate the wavelength of a photon of energy 10^(10) eV (electron vo...

    Text Solution

    |

  2. Calculate the momentum of photon. Frequency associated with the photon...

    Text Solution

    |

  3. Work function of a photosensitive metal is 1.875 eV. Calculate the wav...

    Text Solution

    |

  4. Calculate the threshold wavelength of photons, which can emit photoele...

    Text Solution

    |

  5. The work function of sodium is 2.3 eV. Calculate the maximum wavelengt...

    Text Solution

    |

  6. light of wavelength 2200 overset@A (angstorm) falls on photosensitive ...

    Text Solution

    |

  7. light of wavelength 2200 overset@A (angstorm) falls on photosensitive ...

    Text Solution

    |

  8. Light of wavelength 5000 overset @A falls on a photosensitive plate wi...

    Text Solution

    |

  9. Light of wavelength 5000 overset @A falls on a photosensitive plate wi...

    Text Solution

    |

  10. A 100 W (Watt) sodium Lamp radiated energy uniformly in all directions...

    Text Solution

    |

  11. A 100 W (Watt) sodium Lamp radiated energy uniformly in all directions...

    Text Solution

    |

  12. Light of frequency 7.21 x 10^(14)Hz (Hertz) is incident on a metal sur...

    Text Solution

    |

  13. Define threshold wave length.

    Text Solution

    |

  14. Can X -rays show photo electric effect with visible light, if yes why?

    Text Solution

    |

  15. Which photon is more energetic: A red one or violet one?

    Text Solution

    |

  16. Define work function.

    Text Solution

    |

  17. Define stopping potential.

    Text Solution

    |

  18. Why the alkali metals are most suitable for studying the photoelectric...

    Text Solution

    |

  19. Define thresold frequency for photoelectric emiision.

    Text Solution

    |

  20. Define stopping potential.

    Text Solution

    |