Chem

posted by .

A metal whose threshold frequency is 1.80×1015 s-1 emits an electron with a velocity of 7.24×105 m/s when radiation of 2.13×1015 s-1 strikes the metal.Use these data to calculate the mass of the electron.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Chemistry

    When light of a wavelength of 125 nm strikes a certain metal, electrons having a velocity of 8.2 x 10^5 m/s are emitted from the surface of the metal. What is the threshold frequency of the metal?
  2. science

    Which shows the expression below simplified?
  3. chemistry

    Find velocity of electron emitted by metal whose threshold frequency is 2.1*10^14 and when exposed to visible light wavelength of 5.09*10^-7
  4. general chemistry

    A metal whose threshold frequency is 9.02×1014 s-1 emits an electron with a velocity of 7.11×E5 m/s when radiation of 1.26×1015 s-1 strikes the metal. Use these data to calculate the mass of the electron
  5. physics

    Light with a frequency of 4.32 × 1015 Hz strikes a metal surface and ejects electrons that have a maximum kinetic energy of 5.8 eV. What is the work function (in eV) of the metal?
  6. Chemistry

    If the minimum (threshold) energy for the emission of an electron from the surface of a particular metal is 3.90 X 10-19 J, what is the kinetic energy of an electron emitted from the surface of the metal when it is irradiated by electromagnetic …
  7. Chemistry

    A beam of light with a frequency of 7.61•1015 Hz hits the surface of the metal. What is the velocity of the electron ejected in m/s?
  8. Chemistry- Dr. Bob

    Question 1 Calculate the wavelength (in nm) of the red light emitted by a neon sign with a frequency of 4.74 x 1014 Hz. A) 704 nm B) 158 nm C) 466 nm D) 633 nm E) 142 nm My answer: D.633 nm Question 2 How many photons are contained …
  9. Chemistry

    A metal whose threshold frequency is 1.10×1015 s−1 emits an electron with a velocity of 6.53×105 m/s when radiation of 1.37×1015 s−1 strikes the metal. What is the mass of the electron?
  10. Chemistry

    Howard Wolowitz is developing a radiation detector for the Intemational space Station. He uses a thin film composed of a metal alloy that has a threshold frequency of 5.5x10^15 Hz. When radiation is shone on the thin film, the fastest …

More Similar Questions