Home
Class 12
PHYSICS
What is the effect on the velocity of th...

What is the effect on the velocity of the emitted photoelectrons if the wavelength of the incident light is decreased?

Text Solution

Verified by Experts

velocity will increase
Promotional Banner

Topper's Solved these Questions

  • QUANTUM THEORY

    CHHAYA PUBLICATION|Exercise Exercise (Short Answer Type Questions- I)|18 Videos

  • QUANTUM THEORY

    CHHAYA PUBLICATION|Exercise Exercise (Short Answer Type Questions- II)|4 Videos

  • QUANTUM THEORY

    CHHAYA PUBLICATION|Exercise Exercise (Multiple Choice Questions)|27 Videos

  • OPTICAL INSTRUMENTS

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|8 Videos

  • QUESTION PAPER OF NEET 2017

    CHHAYA PUBLICATION|Exercise QUESTION PAPERS OF (NEET) (2017)|39 Videos

Similar Questions

Explore conceptually related problems

What will be the effect on the velocity of emitted photo-electron if the wavelength of incident light is gradually decreased?

Statement I: In photoelectric effect the value of stopping potential is not at all dependent on the wavelength of the incident light. Statement II: The maximum kinetic energy of the emitted photoelectron and stopping potential are proportional to each other.

How will be resolving power of a microscope be changed, if -(a) the wavelength of the incident light decreases (b) diameter of the objective lens decreases? Give reasons, in support of your answer.

For a monochromatic light incident on a metal surface, the maximum velocity of the emitted photoelectrons is v. Then the stopping potential would be

For a monochromatic light incident on a metal surface, the maximum velocity of the emitted photoelectrons is v. Then the stopping potential would be

When light of wavelength 4041 Å falls on a metal surface, the maximum velocity of the emitted photoelectrons becomes twice the maximum velocity when another light of wavelength 5893 Å falls on the same surface. What is the photoelectric work function of that metal?

How does (i) photoelectric current and (ii) kineic energy of the photoelectrons emitted in a photocell vary if the intensity of the incident radiation is doubled?

The threshold frequency of a metal is f_(0) . When the light of frequency 2f_(0) is incident on the metal plate, the maximum velocity of electrons is v_(1) . When the frequency of the incident radiation is increased to 5f_(0) , the maximum velocity of electron emitted is v_(2) . Find the ratio of v_(1) to v_(2) .

If the photoelectric threshold wavelength of metallic silver is 3500 Å , and UV light of wavelength 2000 Å falls on it, find (i) the maximum kinetic energy of the photoelectrons, (ii) the maximum velocity of the photoelectrons, (iii) the value of work function of silver in joule

CHHAYA PUBLICATION-QUANTUM THEORY-Exercise (Very Short Answer Types Questions)
  1. Which property of light is used to explain the characteristics of phot...

    Text Solution

    |

  2. What is the rest mass of a photons?

    Text Solution

    |

  3. The wavelength of an electromagnetic radiation is lamda. What is the e...

    Text Solution

    |

  4. The light coming from a hydrogen-filled discharge tube falls on sodium...

    Text Solution

    |

  5. In case of photoelectric emission, the maximum kinetic energy of emitt...

    Text Solution

    |

  6. In case of electromagnetic radiation of frequency f, what is the momen...

    Text Solution

    |

  7. If photons of energy 6eV are incident on a metallic surface, the kinet...

    Text Solution

    |

  8. The threshold wavelength of a metal having work function W is lamda. W...

    Text Solution

    |

  9. The work function of a metal surface for electron emission is W. What ...

    Text Solution

    |

  10. What is the effect on the velocity of the emitted photoelectrons if th...

    Text Solution

    |

  11. Two metals A and B have work function 4eV and 10eV respectively. Which...

    Text Solution

    |

  12. Ultravilet light is incident on two photosensitive materials having wo...

    Text Solution

    |

  13. Is it possible to bring about interference of electron?

    Text Solution

    |

  14. What type of wave is suitable to represent the wave associated with a ...

    Text Solution

    |

  15. Davission and Germer experimentally demonstrated the existence of wav...

    Text Solution

    |

  16. The wavelength of a stream of charged particles accelerated by a volta...

    Text Solution

    |

  17. The de Broglie wavelength of an electron and the wavelength of a photo...

    Text Solution

    |

  18. An electron and a proton have the same kinetic energy. Identify the pa...

    Text Solution

    |

  19. The de Broglie wavelength of a particle of kinetic energy K is lamda. ...

    Text Solution

    |

  20. The de Broglie wavelength associated with an electron accelerated thro...

    Text Solution

    |