Home
Class 11
PHYSICS
The frequency of incident light falling ...

The frequency of incident light falling on a photosensitive metal plate is doubled, the K.E of the emitted photo-electrons is

A

remains constant

B

becomes two times its initial value.

C

becomes more than two times its initial value.

D

becomes less than two times its initial value.

Text Solution

Verified by Experts

The correct Answer is:
C
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

The frequency of incident light falling on a photosensitive metal plate is doubled, the KE of the emitted photoelectrons is

When the frequency fo light incident an a metallic plate is doubled , the 1KE of the emitted photoelectrons will be :

Insentity of light incident on a photo sensitive surface is doubled. Then

When light falls on a metal surface , the maximum kinetic energy of the emitted photo - electrons depends upon

Light of frequency 1.5 times the threshold frequency is incident on a photosensitive material. If the frequency is halved and the intensity is doubled, the photoelectric current becomes

TARGET PUBLICATION-ELECTRONS AND PHOTONS-Competitive Thinking
  1. In a photoelectric experiment, if both the intensity and frequency of ...

    Text Solution

    |

  2. An electron is accelerated through a potential difference of 1000 volt...

    Text Solution

    |

  3. The frequency of incident light falling on a photosensitive metal plat...

    Text Solution

    |

  4. In an X-ray tube , electrons bombarding the anode produce X-rays of wa...

    Text Solution

    |

  5. When potential difference of 9V is applied between the two plates, ele...

    Text Solution

    |

  6. The anode voltage of a photocell is kept fixed. The wavelength lambda ...

    Text Solution

    |

  7. The maximum kinetic energy of photoelectrons emitted from a surface w...

    Text Solution

    |

  8. The maximum kinetic energy of the photoelectrons depends only on

    Text Solution

    |

  9. Einstein's photoelectric equation states that E(k) = h v - W . In this...

    Text Solution

    |

  10. The energy of gamma (gamma) ray photon is E(gamma) and that of an X-ra...

    Text Solution

    |

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

    Text Solution

    |

  12. Light of wavelength A which is less than threshold wavelength is incid...

    Text Solution

    |

  13. In aphotocell frequency of incident radiation is increased by keeping ...

    Text Solution

    |

  14. The radiation of wavelength 332 nm is incident on a metal of work func...

    Text Solution

    |

  15. The work function of a metal is 4.2 eV , its threshold wavelength will...

    Text Solution

    |

  16. Ultraviolet radiation of 6.2 eV falls on an aluminium surface (work -...

    Text Solution

    |

  17. When the energy of the incident radiation is increased by 20 % , kinet...

    Text Solution

    |

  18. A radio transmitter operates at a frequency of 880 kHz and a power of ...

    Text Solution

    |

  19. A radiation of 3300 Å falls on a metal to eject electrons with a maxim...

    Text Solution

    |

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

    Text Solution

    |