when the energy of the incident radiation is increased by `20%`, the kinetic energy of the photoelectrons emitted from a metal surface increased from `0.5eV to 0.8eV`. The work function of the metal is

When the energy of the incident radiation is increased by 20 % , kinetic energy of the photoelectrons emitted from a metal surface increased from 0.5 eV to 0.8 eV . The work function of the metal is

When the energy of the incident radiation is increased by 20 % , kinetic energy of the photoelectrons emitted from a metal surface increased from 0.5 eV to 0.8 eV . The work function of the metal is

On a photosensitive material, when frequency of incident radiation is increased by 30% kinetic energy of emitted photoelectrons increases from 0.4 eV to 0.9 eV . The work function of the surface is

The maximum kinetic energy of photoelectrons emitted from a surface when photons of energy 6 eV fall on it is 4 eV . The stopping potential , in volt is

The kinetic energy of photoelectrons emitted by a photosensitive surface depends on the internsity of the incident radiation

The kinetic energy of the most energetic photoelectrons emitted from a metal surface is doubled when the wavelength of the incident radiation is reduced from lamda_1 " to " lamda_2 The work function of the metal is

The surface of a metal illuminated with the light of 400 nm . The kinetic energy of the ejected photoelectrons was found to be 1.68 eV . The work function of the metal is : (hc=1240 eV.nm)

When an electro-magnetic radiation is incident on the surface of metal, maximum kinetic energy of photoelectron depends on-

Will photoelectrons be emitted from a copper surface, of work function 4.4 eV , when illuminated by a visible light?

The kinetic energy of most energetic electrons emitted from a metallic surface is doubled when the wavelength lamda of the incident radiation is changed from 400 nm to 310 nm. The work function of the metal is