Home
Class 11
PHYSICS
The retarding potential for having zero ...

The retarding potential for having zero photo - electron current

A

is inversely proportional to the wavelength of incident light.

B

decreases uniformly with the increase in the wavelength of incident light.

C

is proportional to the frequency of incident light.

D

decreases uniformly with the increases in the frequency of incident light wave.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTRONS AND PHOTONS

    TARGET PUBLICATION|Exercise Competitive Thinking|78 Videos
  • COMMUNICATION SYSTEMS

    TARGET PUBLICATION|Exercise Evaluation Test|15 Videos
  • FORCE

    TARGET PUBLICATION|Exercise Evaluation Test|16 Videos

Similar Questions

Explore conceptually related problems

When monochromatic light of wavelength lambda illuminates a metal surfrce, then stopping potential for photo electric current is 3V_(0) . If wavelength changes to 2lambda then stopping potential becomes V_(0) Threshold wavelength for photo electric emission is:

At stopping potential, the photo electric current becomes

The mass of a photo electron is

Find the retarding potential requred to stop the escape of photo electrons from the metal surface of work function 1.07 eV , which is irradiated with light of wavelength 332 mn

Find the retarding potential required to stop electron of the de Broglie wavelength 0.5 nm

State how in a photo-cell, the work function of the metal influence the kinetic energy of the emitted electrons. (a) If the intensity of the incident radiation is doubled, what change occur in (i) the stopping potential and (ii) in photoelectric current? (b) If the frequency of the incident radiation is doubled, what changes occur in the (i) stopping potential and (ii) photoelectric current.

Find the frequency of light which ejects electrons from a metal surface , fully stopped by a retarding potential of 3.3 V. If photo electric emission begins in metal at a frequency of 8xx10^(14)Hz , calculate the work function (in eV) for this metal.

Stopping potential for photo electrons

In photo electric effect, the photo electric current

TARGET PUBLICATION-ELECTRONS AND PHOTONS-Evaluation Test
  1. Relation between the stopping potential V0 of a metal and the maximum ...

    Text Solution

    |

  2. Radiation of wavelength 120 nm ejects photoelectrons from a plate whos...

    Text Solution

    |

  3. A surface receives light of wavelength lambda1=450 nm, causing the eje...

    Text Solution

    |

  4. Assertion: Photons can exist at rest. Reason: Rest mass m0=msqrt(((1...

    Text Solution

    |

  5. When a monochromatic point source of light is at a distance of 0.2 m f...

    Text Solution

    |

  6. Assertion: Work function of a metal is 4 eV. The maximum wavelength of...

    Text Solution

    |

  7. Eye of an experimenter detects the green light (lambda =4000 Å) at 5xx...

    Text Solution

    |

  8. Photon having wavelength lambda = 3.5xx10^(-7)m and lambda = 5.4xx10^(...

    Text Solution

    |

  9. Illuminating a metal surface alternately with wavelengths lambda1 and ...

    Text Solution

    |

  10. A proton when accelerated through a potential difference of V volt has...

    Text Solution

    |

  11. The work function for the following metals is given Na: 2.75 eV, K:2.3...

    Text Solution

    |

  12. Assertion: Work function of a metal is proportional to maximum wavelen...

    Text Solution

    |

  13. The retarding potential for having zero photo - electron current

    Text Solution

    |

  14. A proton and an alpha-particle are accelerated through same potential ...

    Text Solution

    |

  15. Light of wavelength 3000 Å falls on a sensitive surface. If the surfac...

    Text Solution

    |

  16. The work function for aluminium is 4.125 eV. The cut-off wavelength fo...

    Text Solution

    |

  17. Two metallic plates P(collector) and Q (emitter) are separated by a di...

    Text Solution

    |

  18. Lights of two different frequencies whose photons have energies 1 eV a...

    Text Solution

    |

  19. When a metal surface is illuminated by a monochromatic light of wave-l...

    Text Solution

    |