What is photo electric work function?

Light of wavelength 5000^(@)A falls on a sensitive plate with photo electric work function 1.9eV. The kinetic energy of the photo electrons emitted will be

A photon incident on a metal of photo electric work function 2 ev produced photo electron of maximum kinetic energy 2 ev. The wave length associated with the photon is

A photon incident on a metal of photo electric work function 2 ev produced photo electron of maximum kinetic energy 2 ev. The wave length associated with the photon is

The photo electric work function of a metal is 1 eV. Light of wave length lamda=3000A^(@) falls on it. The velocity of emitted photo electron is approximately

An electromagnetic radiation of frequency 3 xx 10^(15) cycles per second falls on a photo electric whose work function is 4.0eV. Find out the maximum velocity of the photo electrons emitted by the surface.

The photoelectric work function of a photo-sensitive metal is 3 xx10^-19 J. Calculate the threshold wavelength.

Figure shows graph of stopping potential v frequency in experiment of photo-electric effect work function of metal will be……e=change of electron.

Photo electric effect

Explain Einstein's photo electric equation.