Home
Class 12
PHYSICS
A metal has a thresold wavelength of 60...

A metal has a thresold wavelength of `6000 overset@A`
Calculte:Thresold frequency
Calculate Work function of metal (given: `h=6.62 xx 10^(-34)Js,e =1.6 xx 10^(-19)C)`

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

A metal has thresold wavelength at 6400 overset @A . Calculate thtesold frequency

A metal has thresold wavelength at 6400 overset @A . Calculate work function of metal in eV.

calculate the frequency of a photon of energy 3 eV. Givem h=6.62 xx10^(-34) Js.

PUNJAB BOARD PREVIOUS YEAR PAPERS-Particle Nature of Radiation-Exercise
  1. Work function of Na is 2.75 eV. DOes sodium show photoelectric emissio...

    Text Solution

    |

  2. The work function of a certain metal is 4.2 eV. Will this metal give p...

    Text Solution

    |

  3. A metal has a thresold wavelength of 6000 overset@A Calculte:Threso...

    Text Solution

    |

  4. The thresold frequency for a certain metal is 3.3 xx 10^(14) Hz (Hertz...

    Text Solution

    |

  5. Calculate the wavelength of a photon of energy 10^(10) eV (electron vo...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  17. Define threshold wave length.

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  20. Define work function.

    Text Solution

    |