The work function of a metal is 2.3 eV and the wavelength of incident photon is ` 4.8 xx 10 ^( -7) `m. Find maximum kinetic energy of photo electrons

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 photoelectric work function of a metal surface is 2eV.When light of frequency 1.5xx10^(15) Hz is incident on it, the maximum kinetic energy energy of the photo electrons ,approximately is

Lithium has a work function of 2.3 eV. It is exposed to light of wavelength 4.8 xx 10^(-7) m. Find the maximum kinetic energy with which the electron leaves the surface. What is the longest wave length which can produce the photo electrons ? Data : W = 2.3 eV, h=6.626 xx 10^(-34)Js, e=1.6 xx 10^(-19) C. Longest wavelength = ? , Kinetic energy = ?

The work function of a mental is X eV when light of energy 2X eV is made to be incident on it then the maximum kinetic energy of emitted photo electron will be

If the work function of a photo - metal is 6.825 eV . Its threshold wavelength will be ( c = 3 xx 10^(8) m//s)

A metal plate of area 1 xx 10^(-4) m^(2) is illuminated by a radiation of intensity 16m W//m^(2) . The work function of the metal is 5eV. The energy of the incident photons is 10eV. The energy of the incident photons is 10eV and 10% of it produces photo electrons. The number of emitted photo electrons per second their maximum energy, respectively, will be : [1 eV = 1.6 xx 10^(-19)J]

A metal plate of area 1 xx 10^(-4) m^(2) is illuminated by a radiation of intensity 16m W//m^(2) . The work function of the metal is 5eV. The energy of the incident photons is 10eV. The energy of the incident photons is 10eV and 10% of it produces photo electrons. The number of emitted photo electrons per second their maximum energy, respectively, will be : [1 eV = 1.6 xx 10^(-19)J]

The photoelctric effect work function for a metal is 4.2 eV. If the stopping potential is 3V, find the threshold wavelength and the maximum kinetic energy of emitted electrons.