Home
Class 12
PHYSICS
In photoelectric emission process from a...

In photoelectric emission process from a metal of work function `1.8 eV` , the kinetic energy of most energetic electrons is `0.5 eV`. The corresponding stopping potential is

A

1.8 V

B

1.3 V

C

0.5 V

D

2.3 V

Text Solution

Verified by Experts

The correct Answer is:
3

`V_(0) = (KE_(max))/( e)`.
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise EXERCISE - 4|25 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise ASSERTION AND REASON|15 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise EXERCISE - 2 (H.W)|20 Videos
  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 6|43 Videos
  • DUAL NATURE

    NARAYNA|Exercise LEVEL-II (H.W)|17 Videos

Similar Questions

Explore conceptually related problems

When photon of energy 3.8 eV falls on metallic suface of work function 2.8 eV , then the kinetic energy of emitted electrons are

If light of wavelength 6200Å falls on a photosensitive surface of work function 2 eV, the kinetic energy of the most energetic photoelectron will be

The maximum kinetic energy of electrons in a photocell is 5.5 eV. Calculate the stopping potential .

The maximum kinetic energy of a photoelectron is 3 eV. What is its stopping potential ?

Light of energy 2.0 eV falls on a metal of work function 1.4 eV . The stopping potential is

The stopping potential for the photoelectrons emitted from a metal surface of work function 1.7 eV is 10.4 eV. Identify the energy levels corresponding to the transitions in hydrogen atom which will result in emission of wavelength equal to that of incident radiation for the above photoelectric effect.

The stopping potential for the photo electrons emitted from a metal surface of work function 1.7 eV is 10.4 V. Identify the energy levels corresponding to the transitions in hydrogen atom which will result in emission of wavelength equal to that of incident radiation for the above photoelectric effect

NARAYNA-DUAL NATURE OF RADIATION AND MATTER-EXERCISE - 3
  1. The potential difference that must be applied to stop the fastest phot...

    Text Solution

    |

  2. Photoelectric emission occurs only when the incident light has more th...

    Text Solution

    |

  3. In photoelectric emission process from a metal of work function 1.8 eV...

    Text Solution

    |

  4. The threshold frequency for a certain metal is 3.3xx10^(14) Hz. If lig...

    Text Solution

    |

  5. Electrons used in an electron microscope are accelerated by a voltage ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  8. A alpha -parhticle moves in a circular path of radius 0.83 cm in th...

    Text Solution

    |

  9. If the momentum of an electron is changed by p, then the de - Broglie ...

    Text Solution

    |

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

    Text Solution

    |

  11. If velocity of a particle is 3 times of that of electron and ratio of ...

    Text Solution

    |

  12. The wavelength lambda(e ) of an electron and lambda(p) of a photon of...

    Text Solution

    |

  13. If the kinetic energy of the particle is increased to 16 times its pre...

    Text Solution

    |

  14. Light with an enargy flux of 25xx10^(4) Wm^(-2) falls on a perfectly r...

    Text Solution

    |

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

    Text Solution

    |

  16. When a certain metallic surface is illuminated with mono chromatic lig...

    Text Solution

    |

  17. A photoelectric surface is illuminated successively by monochromatic l...

    Text Solution

    |

  18. Light of wavelength 500 nm is incident on a metal with work function 2...

    Text Solution

    |

  19. Electrons with de-Broglie wavelength lambda fall on the target in an X...

    Text Solution

    |

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

    Text Solution

    |