The work function of a metal is `4.2 eV` If radiation of `2000 Å`fall on the metal then the kinetic energy of the fastest photoelectrn is

The work function of a metal is 4.2 eV . If radiation of 2000 Å fall on the metal then the kinetic energy of the fastest photoelectron is

The work function of a metal is 4.2eV. If the radiation of 2000Å falls on the metal, find the kinetic energy of the metal

The work function of a metal is 2.4 eV. If radiations of 3000 A^o on the metal, then the kinetic energy of the fastest photoelectron is:

The work function of a metal is 2.4 eV. If radiations of 4000 A^o on the metal, then the kinetic energy of the fastest photoelectron is:

The work function of a metal is 4.2 eV. IF the radiation of 2000 Å falls on the metal, find the kinetic energy of the metal.

The work function of a metal is 3.4 eV. A light of wavelength 3000Å is incident on it. The maximum kinetic energy of the ejected electron will be :

The work function of a metal is 3.4 eV. A light of wavelength 3000Å is incident on it. The maximum kinetic energy of the ejected electron will be :

The work function of a metal is 4.0 eV . If the metal is irradiated with radiation of wavelength 200 nm, then the maximum kinetic energy of the photoelectrons would be about.