Home
Class 11
CHEMISTRY
When certain metal was irradiated with l...

When certain metal was irradiated with light of frequency `1.6xx10^16`Hz the photoelectrons emitted had twice the kinetic energy as did photoelectrons emitted when the same metal was irradiated with light of frquency `1xx10^16` Hz Calculate threshold frequency of the metal

Promotional Banner

Topper's Solved these Questions

  • BASICS IN CHEMISTRY

    PATHFINDER|Exercise QUESTION BANK|26 Videos

Similar Questions

Explore conceptually related problems

When a certain metal was irradiated with a light of 8.1xx10^16 Hz frequency the photoelectron emitted had 1.5 times the kinetic energy as did the photoelectrons emitted when the same metal was irradiated with light 5.8xx10^16 Hz frequency if the same metal is irradiated with light 3.846 nm wavelength what will be the kinetic energy of the photoelectron emitted?

The maximum kinetic energy of the photoelectron is found to be 6.6x10^-19 J when the metal is irradiated with a radiation of frequency 2x10^15 Hz the threshold frequency of the metal is about

If a light with frequency 2.0xx10^(16)Hz emitted photoelectrons with double the kinetic energy as are emitted by the light of frequency 1.25xx10^(16)Hz from the same metal surface, calculate the threshold frequency of the metal.

What will be the kinetic energy of emitted photoelectrons if light of threshold frequency falls on a metal?

When a certain metal surface is illuminated with light of frequency v, the stopping potential for photoelectric current is V_(0) . When the same surface is illuminated by light of frequency (v)/(2) the stopping potent (V_(0))/(4) . The threshold frequency for photoelectric emission is

What is wavelength (in metre) of radio wave of frequency 1.5xx10^8 Hz ?

When a radiation of frequency 7.5xx10^(14)Hz strikes a metal surface, the maximum kinetic enegy attained by the emitted electrons is 1.6xx10^(-19)J . Calculate the threshold frequency of the metal.

Electrons are emitted with zero velocity from a metal surface when it is exposed to radiation of wavelength 6800 Å. Calculate threshold frequency (v_(0)) and work function (W_(0)) of the metal.

A photon of energy 8eV is incident on a metal plate with threshold frequency 1.6 xx 10^(15) Hz. The maximum kinetic energy of the emitted photo electrons is (given h= 6 xx 10^(-34) Js )

Among the photoelectrons, emitted due to incidence of light of frequency f on a metal surface , only the electrons having the highest kinetic energy can ionise a hydrogen atom. If this experment is performed with light of frequency 5/6f , the photoelectron having the highest kinetic energy can excite a hydrogen atom and from this excited hydrogen atom a photon of wavelength 1215 Å is emitted . Determine the (i) work function of the metal and

PATHFINDER-ATOMIC STRUCTURE-QUESTION BANK
  1. What hydrogen like ion has wavelength difference between the first lin...

    Text Solution

    |

  2. The wavelength corresponding to a transition when electron falls from ...

    Text Solution

    |

  3. When certain metal was irradiated with light of frequency 1.6xx10^16Hz...

    Text Solution

    |

  4. Assume that 2xx10^(-17)J of light energy is needed by the interior of ...

    Text Solution

    |

  5. What is the energy content per photon (J) for light of frequency 4.2xx...

    Text Solution

    |

  6. The number of photons of light having wave number x in 10 J of energy ...

    Text Solution

    |

  7. The nucleus of an atom can be assumed to be spherical. The radius of t...

    Text Solution

    |

  8. If the radius of 2nd Bohr orbit of H-atom is r2 the radius of third Bo...

    Text Solution

    |

  9. What atomic number of an element "X" would have to become so that the ...

    Text Solution

    |

  10. Calculate the velocity of an electron which must be able to ionize a ...

    Text Solution

    |

  11. In Bohr's model of the H-atom the ratio between the period of revoluti...

    Text Solution

    |

  12. What is the time periods (T1/T2) In second orbit of hydrogen atom to t...

    Text Solution

    |

  13. The ratio of potential energy and total energy of an electron in a boh...

    Text Solution

    |

  14. If the total energy of an electron in the ist shell of H-atom =-13.6eV...

    Text Solution

    |

  15. What is the potential energy of an electron present in N-shell of the ...

    Text Solution

    |

  16. The energy of an electron moving in nth bohr's orbit of an element is ...

    Text Solution

    |

  17. The energy of the electron in the hydrogen atom is given by the expres...

    Text Solution

    |

  18. The ratio of the energy of the electron in ground state of H to the el...

    Text Solution

    |

  19. The ratio (E2-E1) to (E4-E3) for the hydrogen atom is approximately eq...

    Text Solution

    |

  20. If the ionization energy of Li^(+2) is 19.6xx10^(-18) J per atom then ...

    Text Solution

    |