Two photons, each of energy 2.5 eV are simultaneously incident on the metal surface. If the work function of the metal is 4.5 eV, then from the surface of metal

Two photons, each of energy 2.5eV are simultaneously incident on the metal surface. If the work function of the metal is 4.5eV then from the surface of the metal.

Photons of energy 5.5 eV are incident on a metal surface. If the stopping potential is 3V, then the work function of the metal will be

A photon of energy 7 eV is incident on a metal surface having the work function of 3.75 eV. What is the stopping potential ?

Two potons of energy 2.5eV each are incident on a metal plate whose work function is 4.0eV , then the number of emitted from the metal surface will be

Two radiations with photon energies 0.9 eV and 3.3 eV respectively are falling on a metallic surface successively. If the work function of the metal is 0.6 eV, then the ratio of maximum speeds of emitted electrons will be…………………

Two radiations with photon energies 0.9 eV and 3.3eV respectively are falling on a metallic surface successively. If the work function of the metal is 0.6 eV , then the ration of maximum speeds of emitted electrons will be

The light photons of energy 1.5 eV and 2.5 eV are incident on a metallic surface of work function 0.5 eV, the ratio of the maximum kinetic energy of the photoelectrons is

Photons of energy 1.5 eV and 2.5 eV are incident on a metal surface of work function 0.5 eV. What is the ratio of the maximum kinetic energy of the photoelectrons ?

Ultraviolet radiation of 6.2 eV falls on a metallic surface. If the work function of the metal is 4.2 eV, then the kinetic energy of the fasted electron ejected from the surface is