Home
Class 12
CHEMISTRY
The threshold frequency v(0) for a met...

The threshold frequency `v_(0)` for a metal is `8 xx 10^(14) s^(-1)`. What is the kinetic energy of an electron emitted having frequency `v=1.0 xx 10^(15) s^(-1)`

Text Solution

Verified by Experts

`1.3252 xx 10^(-19) J`
Promotional Banner

Topper's Solved these Questions

  • STRUCTURE OF ATOM

    AAKASH INSTITUTE|Exercise ASSIGNMENT ( SECTION -A) Objective Type Questions (One option is correct)|47 Videos

  • STRUCTURE OF ATOM

    AAKASH INSTITUTE|Exercise ASSIGNMENT ( SECTION -B) Objective Type Questions (One option is correct)|38 Videos

  • STRUCTURE OF ATOM

    AAKASH INSTITUTE|Exercise illustration 2|1 Videos

  • STRUCTURE OF ATOM

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION -D) Assertion-Reason Type Questions|15 Videos

  • SURFACE CHEMISTRY

    AAKASH INSTITUTE|Exercise Assignment Section - C (Assertion - Reason type questions)|10 Videos

Similar Questions

Explore conceptually related problems

The threshold frequency v_(0) for a metal is 7xx10^(14)s^(-1) . Calculate the kinetic energy of an electron emitted when radiation of frequency v = 1.0 xx 10^(15)s^(-1) hits the metal .

The threshold frequency nu_(0) for a metal is 6xx10^(14) s^(-1) . Calculate the kinetic energy of an electron emitted when radiation of frequency nu=1.1xx10^(15) s^(-1) hits the metal.

The energy of photon of light having frequency of 3 xx 10^(15)S^(-1) is

The threshold frequency, v_(0) , of a metal is 6.7xx10^(14)s^(-1) . Calculate the maximum kinetic enegry of a single electron that is emitted when a radiation of frequency v = 1.0 xx 10^(-15)s^(-1) strikes the metal. Strategy: Use the relatiship between v_(0),v, and KE given in Eq.

The threshold frequency for the ejection of electrons from potassium metal is 5.3xx10^(14) s^(-1) . Will the photon of a radiation having energy 3.3xx10^(-19) J exhibit photoelectric effect? (h=6.626xx10^(-34) Js)

" Treshold frequency for a metals is "5times10^(-14)S^(-1)" .Calculate the K.E.of excited electron when radiation of frequency "v=3times10^(15)S^(-1)

AAKASH INSTITUTE-STRUCTURE OF ATOM -Try Yourself
  1. A FM radio station broadcasts at frequency of 103.1 MHz . What is the ...

    Text Solution

    |

  2. The Vividh Bharti station of All India Radio , Delhi, broadcasts on a...

    Text Solution

    |

  3. The threshold frequency v(0) for a metal is 8 xx 10^(14) s^(-1). Wh...

    Text Solution

    |

  4. A hot metal emits photons of light with energy 3.0 xx 10^(-19) J. Cal...

    Text Solution

    |

  5. Calculate the energy of photon of light having frequency of 2.7 xx 10^...

    Text Solution

    |

  6. Calculate energy of one mole of photons of radiation whose frequency ...

    Text Solution

    |

  7. the threashold frequency v(0) for a metal is 7xx10^(14)s^(-1) . Calcul...

    Text Solution

    |

  8. Photoelectrons are removed with kinetic energy 1.864 xx 10^(-21)J, wh...

    Text Solution

    |

  9. Calculate the threshold freqency of the metalfrom the photoelectrons...

    Text Solution

    |

  10. Calculate the energy associated with the first orbitof He^(+).What is ...

    Text Solution

    |

  11. what are the frequency and wavelength of a photon emitted during a tra...

    Text Solution

    |

  12. Calculate the ratio of the radius of 1^(st) orbit of H atom to thatof4...

    Text Solution

    |

  13. Calculate thevelocity of the electron in the third orbit of hydrogen ...

    Text Solution

    |

  14. what will be the wavelength of a ball of mass 0.1 kg moving with a vel...

    Text Solution

    |

  15. Calcualte the wavelength of matter wave associated with small ball of...

    Text Solution

    |

  16. A beam of helium atoms moves with a velocity of2 xx 10^(4) ms^(-1). Fi...

    Text Solution

    |

  17. Calculate the frequency of paritcle wave, when the kinetic energy of a...

    Text Solution

    |

  18. Calculate the uncertainty in the position of a dust particle with m...

    Text Solution

    |

  19. A microscope using suitable photons is employed to locate an electron...

    Text Solution

    |

  20. A golf ball has a mass of 40g and a speed of 45m//s. If the speed can ...

    Text Solution

    |