Home
Class 12
PHYSICS
A photocell employs photoelectric effect...

A photocell employs photoelectric effect to convert

A

change in the freuquency of light into a change to the electric current

B

change in the frequency of light into change in electric voltage

C

change in the intensity of illumination into a chnage in photoelectric current

D

change in the intensity of illuminatin into a change in the work function of th photocathode.

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

What is photoelectric effect?

Which theory explains photoelectric effect?

Alkali metals show photoelectric effect, why ?

Alkali metals show photoelectric effect. Why ?

What is photoelectric effect? State it laws?

MODERN PUBLICATION-UNIT TEST -07-EXERCISE
  1. In a photoemmisive cell,with exciting waelength lambda,the fastest ele...

    Text Solution

    |

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

    Text Solution

    |

  3. A photocell employs photoelectric effect to convert

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  13. An electron beam has a kinetic energuy equal to 100 eV.Find the waveln...

    Text Solution

    |

  14. Electron volt is a unit of

    Text Solution

    |

  15. The energy of a photon of light of waveelngth 5,000 overset@A is appro...

    Text Solution

    |

  16. Particle nature and wave nature of electromagnetic waves and electrons...

    Text Solution

    |

  17. A strong argument for the particle nature of cathode rays is that they

    Text Solution

    |

  18. The wavelength of a photon is proportional to (where v = frequency)

    Text Solution

    |

  19. In photoelecrtric effect ,the electrons are ejected from metals,if the...

    Text Solution

    |

  20. The stopping potential doubles,when the frequency of the incident ligh...

    Text Solution

    |