When light falls on a metal surface , the maximum kinetic energy of the emitted photo - electrons depends upon

The kinetic energy of the photo electrons does not depends upon

The maximum kinetic energy of the photo electron is

The maximum energy of emitted photo electrons is measured by

The maximum kinetic energy of emitted electrons in a photoelectric effect does not depend upon

The maximum kinetic energy of emitted electrons in a photoelectric effect does not depend upon

Light of wavelength 4000A∘ is incident on a metal surface. The maximum kinetic energy of emitted photoelectron is 2 eV. What is the work function of the metal surface?

Light of wavelength 4000 Å is incident on a metal surface. The maximum kinetic energy of emitted photoelectron is 2 eV. What is the work function of the metal surface ?