Home
Class 12
PHYSICS
If the frequency of light in a photoelec...

If the frequency of light in a photoelectric experiment is doubled the stopping potential will

A

be doubled

B

halved

C

become more than doubled

D

become less than double

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MODERN PHYSICS -1

    MOTION|Exercise EXERCISE-2(LEVEL-I)|34 Videos

  • MODERN PHYSICS -1

    MOTION|Exercise EXERCISE-2(LEVEL-II)|15 Videos

  • MODERN PHYSICS -1

    MOTION|Exercise EXERCISE-4 ( LEVEL- II)|39 Videos

  • MODERN PHYSICS - 2

    MOTION|Exercise EXERCISE - 4 (Level -II) PREVIOUS YEAR - JEE ADVANCED|28 Videos

  • NEWTON'S LAWS OF MOTION & FRICTION

    MOTION|Exercise Exercise - 3 Section-B|12 Videos
MOTION-MODERN PHYSICS -1-EXERCISE-1
  1. If the frequency of light in a photoelectric experiment is doubled the...

    Text Solution

    |

  2. The stopping potential for the photo electrons emitted from a metal su...

    Text Solution

    |

  3. When a photon of light collides with a metal surface, number of electr...

    Text Solution

    |

  4. A point source causes photoelectric effect from a small metal plate. W...

    Text Solution

    |

  5. The maximum kinetic energy of photoelectrons emitted from a surface wh...

    Text Solution

    |

  6. Let (nr) and (nb) be respectively the number of photons emitted by a r...

    Text Solution

    |

  7. 10^(-3) W of 5000 Å light is directed on a photoelectric cell. If the ...

    Text Solution

    |

  8. A point source of light is used in a photoelectric effect. If the sour...

    Text Solution

    |

  9. Cut off potentials for a metal in photoelectric effect for light of wa...

    Text Solution

    |

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

    Text Solution

    |

  11. A proton and an electron are accelerated by same potential difference ...

    Text Solution

    |

  12. An electron with initial kinetic energy of 100 eV is accelerated throu...

    Text Solution

    |

  13. If h is Plank's constant. Find the momentum of a photon of wavelength ...

    Text Solution

    |

  14. When a centimeter thick surface is illuminated with light of wavelengt...

    Text Solution

    |

  15. Out of a photon and an electron, the equation E= pc, is valid for

    Text Solution

    |

  16. If a photocell is illuminated with a radiation of 1240 A, then stoppin...

    Text Solution

    |

  17. Silver has a work function of 4.7 eV. When ultraviolet light of wavele...

    Text Solution

    |

  18. The kinetic energy of an electron is E when the incident wavelength is...

    Text Solution

    |

  19. If lamda0 stands for mid-wavelength in the visible region, the de Brog...

    Text Solution

    |

  20. Light of wavelength lamda strikes a photoelectric surface and electron...

    Text Solution

    |