Home
Class 12
PHYSICS
The number of photoelectrons emitted fro...

The number of photoelectrons emitted from a photosensitive surface

A

varies inversely witht the frequency of radiation

B

varies directly with the frequency of radiation

C

varies inversely with the intensity of radiation

D

varies directly with the intensity of radiation

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELECTRONS AND PHOTONS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP - 17|15 Videos

  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENTS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP - 16|30 Videos

  • ELECTROSTATICS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|20 Videos

Similar Questions

Explore conceptually related problems

The kinetic energy of photoelectrons emitted by a photosensitive surface depends on the internsity of the incident radiation

Assertion (A) : Kinetic energy of photoelectrons emitted by a photosensitive surface depends upon the frequency of incident photon. Reason (R ): The ejection of electrons from metallic surface is possible with frequency of incident photon below the threshold frequency.

Assertion : Kinetic energy of photo electrons emitted by a photosensitive surface depends upon the intensity of incident photon. Reason : The ejection of electrons from metallic surface is possible with frequency of incident photon below the threshold frequency.

Photoelectrons emitted from a metallic surface are

Photoelectrons emitted from a metal have

The photoelectrons emitted from a metal surface:

MARVEL PUBLICATION-ELECTRONS AND PHOTONS -TEST YOUR GRASP - 17
  1. The number of photoelectrons emitted from a photosensitive surface

    Text Solution

    |

  2. The energy of a photon of wavelength 4000 Å is (use h=6.66xx10^(-34...

    Text Solution

    |

  3. In a photoelectric experiment, the reciprocal of the slope of the st...

    Text Solution

    |

  4. The momentum of a photon of an electromagnetic radiation is 3.3xx10^(-...

    Text Solution

    |

  5. If the threshold frequency for photoemission on a metal corresponds t...

    Text Solution

    |

  6. Photons of energy 5.5 eV are incident on a metal surface. If the stopp...

    Text Solution

    |

  7. When light of energy 2.5 eV falls on a metal surface, the maximum K.E....

    Text Solution

    |

  8. The threshold energy of a surface is 2 eV. When irradiated with some r...

    Text Solution

    |

  9. Sodium and copper have work functions of 2.3 eV and 4.5 eV. The ratio ...

    Text Solution

    |

  10. The surface of a metal is illuminated with light of wavelength 400 nm....

    Text Solution

    |

  11. The current in a photocell can be just reduced to zero by a potential ...

    Text Solution

    |

  12. A lamp is placed at a distance of 8 cm from a photocell and the microa...

    Text Solution

    |

  13. The cathode of a photoelectric cell is changed such that the work func...

    Text Solution

    |

  14. The wavelength of the photons are 4500 Å and 6000 Å. The ratio of thei...

    Text Solution

    |

  15. An AIR station is broadcasting the waves of wavelength 300 metres. If ...

    Text Solution

    |

  16. For a photosensitive metal surface the graph of the stopping potential...

    Text Solution

    |