Home
Class 11
PHYSICS
In a photoelectric experiment for 4000 Å...

In a photoelectric experiment for 4000 Å incident radiation, the potential difference to stop the ejection is 2 V . If the incident light is changed to 3000 Å , then the potential required to stop the ejection of electrons will be

A

2 V

B

less than 2 V

C

zero

D

greater than 2 V

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELECTRONS AND PHOTONS

    TARGET PUBLICATION|Exercise Evaluation Test|19 Videos

  • ELECTRONS AND PHOTONS

    TARGET PUBLICATION|Exercise Critical thinking|22 Videos

  • COMMUNICATION SYSTEMS

    TARGET PUBLICATION|Exercise Evaluation Test|15 Videos

  • FORCE

    TARGET PUBLICATION|Exercise Evaluation Test|16 Videos

Similar Questions

Explore conceptually related problems

In a photoelectron experiment , the stopping potential for the photoelectrons is 2V for the incident light of wavlength 400 nm. If the incident light is changed to 300 nm , the cut off potential is

In a photoelectric experiment the stopping potential for the incident light of wavelength 4000Å is 2 volt. If the wavelength be changed to 3000 Å, the stopping potential will be

In a photoelectric experiment, the wavelength of incident radiation is reduced from 6000 Å to 5000 Å then

In photoelectric effect experiment, the stopping potential for incident light of wavelength 4000 Å, is 3V. If the wavelength is changed to 2500 Å, the stopping potential will be

When a metal surface is illuminated by a monochromatic light of wave-length lambda , then the potential difference required to stop the ejection of electrons is 3V . When the same surface is illuminated by the light of wavelength 2lambda , then the potential difference required to stop the ejection of electrons is V . Then for photoelectric effect, the threshold wavelength for the metal surface will be

If in a photoelectric experiment , the wavelength of incident radiation is reduced from 6000 Å to 4000 Å then

If in a photoelectric cell , the wavelength of incident light is changed from 4000 Å to 3000 Å then change in stopping potential will be

In an experiment of photo electric emission for incident light of 4000 A^(0) ,the stopping potentail is 2V .If the wavelength of incident light is made 300 A^(0) , then the stopping potential will be

In a photoelectric cell, the wavelength of incident light is chaged from 4000A to 3600A . The change in stopping potential will be

In a photoelectric experiment, the potential required to stop the ejection of electrons from cathode is 4V. What is the value of maximum kinetic energy of emitted Photoelectrons?

TARGET PUBLICATION-ELECTRONS AND PHOTONS-Competitive Thinking
  1. A radiation of 3300 Å falls on a metal to eject electrons with a maxim...

    Text Solution

    |

  2. The work function of a metallic surface is 5.01 eV. The photoelectrons...

    Text Solution

    |

  3. In a photoelectric experiment for 4000 Å incident radiation, the poten...

    Text Solution

    |

  4. Light of wavelength 5000 Å falls on a sensitive plate with photoelectr...

    Text Solution

    |

  5. Lights of two different frequencies whose photons have energies 1 and ...

    Text Solution

    |

  6. When the light of frequency 2 v(0) (where v(0) is threshold frequency)...

    Text Solution

    |

  7. Maximum velocity of photoelectrons emitted by a metal surface is 1.2xx...

    Text Solution

    |

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

    Text Solution

    |

  9. The threshold frequency of a certain metal is 3.3xx10^(14)Hz. If light...

    Text Solution

    |

  10. When monochromatic light of wavelength lambda is incident on a metal...

    Text Solution

    |

  11. When light of wavelength lambda is incident on photosensitive surface,...

    Text Solution

    |

  12. When a metallic surface is illuminated with radiation of wavelength la...

    Text Solution

    |

  13. If 5% of the energy supplied to a bulb is irradiated as visible light,...

    Text Solution

    |

  14. Monochromatic radiation emitted when electron on hydrogen atom jumps f...

    Text Solution

    |

  15. When light of 2.5 eV falls on a metal surface, maximum kinetic energy ...

    Text Solution

    |

  16. On a photosensitive material, when frequency of incident radiation ...

    Text Solution

    |

  17. Photons with energy 5 eV are incident on a cathode C in a photoelectri...

    Text Solution

    |

  18. When photons of energy hv fall on an aluminium plate (of work function...

    Text Solution

    |

  19. Assuming photoemission to take place , the factor by which the maximum...

    Text Solution

    |

  20. For photoelectric emission from certain metal the cut - off frequency ...

    Text Solution

    |