The work function of copper is 4.0 eV. If two photons, each of energy 2.5 eV strike with some electrons of copper, will the emission be possible?

The work function of a metal is 6 eV. If two pho tons each having energy 4eV strike with the metal surface. will the emission be possible?

The work function of aluminium is 4.2 eV . If two photons , each of energy 3.5 eV strike an electron of aluminium , then emission of electrons will be

Work function of aluminium is 4.2 eV.If two photons, each of energy 2.5 eV, are incident on it surface, will the emission of electrons take place? Justify your answer.

The energy required to remove an electron from an aluminium surface is 4.2 eV. If two photons, each of energy 3.0 eV, strike an electron of aluminium, the emission of photoelectrons will

The work function of copper is 4.57 eV. If radiation of 2500 Å is incident on copper, calculate the maximum velocity of photo electrons.

A : Work function of aluminium is 4.2 eV . Emission of electrons will be possible by two photons , each of 2.5 eV energy , striking the electron of aluminium . R : Energy of a photon can be less then the work function of the metal , for photoelectron emission .

A : Work function of aluminium is 4.2 eV . Emission of electrons will be possible by two photons , each of 2.5 eV energy , striking the electron of aluminium . R : Energy of a photon can be less then the work function of the metal , for photoelectron emission .