Home
Class 12
PHYSICS
The work function of a surface of a phot...

The work function of a surface of a phototsensitve materil is 6.2 eV.The wavelength of the incident radiation,for which the stoppintg potential is 5 V.lies in the

A

infrared region

B

X-ray region

C

ultraviolet region

D

visible region

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • UNIT TEST -07

    MODERN PUBLICATION|Exercise EXERCISE|154 Videos

  • UNIT TEST -06

    MODERN PUBLICATION|Exercise EXERCISE|461 Videos

  • UNIT TEST-05

    MODERN PUBLICATION|Exercise EXERCISE|69 Videos

Similar Questions

Explore conceptually related problems

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

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

Work function of a metl surface is 4.2 eV. The maximum wavelength which can eject electrons from this metal surface is:

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

State the influence of work function on kinetic energy of electrons emitted in a photocell. If the intensity of the incident radiation is doubled, what changes occur in the stopping potential and photoelectric current?

State the dependence of work function on kinetic energy of electrons emitted in a photocell. If the intensity of the incident radiation is doubled, what changes occur in the stopping potential and photoelectric current?

MODERN PUBLICATION-UNIT TEST -07-EXERCISE
  1. Einstien's work on photoelectric effect given support to:

    Text Solution

    |

  2. When photons of energy h v fall on an aluminium plate (of work functio...

    Text Solution

    |

  3. The work function of a surface of a phototsensitve materil is 6.2 eV.T...

    Text Solution

    |

  4. Light of wavleength 5,000 overset @A falls on a photo sensitive plate ...

    Text Solution

    |

  5. Photoelectric work function of a metal is 1 eV.Light of wavelength l...

    Text Solution

    |

  6. The figure shows a plot of photocurrent versus anode potential for a p...

    Text Solution

    |

  7. According to Einstein's photoelectric equation, the graph between kine...

    Text Solution

    |

  8. According to Einstein's photoelectric equation, the graph between kine...

    Text Solution

    |

  9. In a photoemmisive cell,with exciting waelength lambda,the fastest ele...

    Text Solution

    |

  10. A photosensitive metallic surface has work function hv0.If photons of ...

    Text Solution

    |

  11. A photocell employs photoelectric effect to convert

    Text Solution

    |

  12. A particle of mass 1 mg has the same wavelength as an electron moving ...

    Text Solution

    |

  13. The kinetic energy of an electron,which is accelerated to the potentia...

    Text Solution

    |

  14. The mass of an electron is m, charge is e and it is accelerated form r...

    Text Solution

    |

  15. The minimum wavelength of the X-rays produced by elecrons accelerated ...

    Text Solution

    |

  16. The de-Broglie wave corresponding to a particle of mass m and velocity...

    Text Solution

    |

  17. If particles are moving with same velocity,then maximum de-Broglie wav...

    Text Solution

    |

  18. If we consider electrons and photons of same wave length, then they w...

    Text Solution

    |

  19. The momentum of a photon of energy 1 M eV(in kg m s^(-1)) will be

    Text Solution

    |

  20. An electron of mass m,when accelerated through a potensital difference...

    Text Solution

    |