The energy required to remove and elrctron from the surface fo sodium metal is ` 2. 3 eV`. What is the longest wavelength of radiation with which it can shown photoelectric effect ?

The energy required to remove and electron from the surface of sodium metal is 2. 3 eV . What is the longest wavelength of radiation with which it can shown photoelectric effect ?

The work function of lithium is 2.5 eV. what is the maximum wavelength of light that can cause the photoelectric effect in lithium?

Work function of a metal is 4.0 eV. Find the maximum value of wavelength of a radiation that can emit photoelectrons from the metal.

The energy required to remove electron from sodium is 2.3 eV. Does sodium show photoelectric effect for orange light of wavelength 6800 overset(@)(A) ?

The energy required to remove electron from sodiumis2.3eV.Does sodium show photoelectric effect for orange light of wavelength 6800overset@ A ?

Work function of a photosensitive metal is 3eV. The wavelength of incident radiations which can just eject photoelectrons from the metal is

Energy required to remove an electron from aluminium surface is 4.2 eV . If light of wavelength 2000 Å falls on the surface , the velocity of the fastest electron ejected from the surface will be

The work function for a metal surface is 2.0 eV. Determine the longest wavelength that will eject photoelectrons from the metal surface.

Work function of a metal surface is 2eV. Maximum kinetic energy of photoelectrons emitted from the surface for incidence of light of wavelength 4140 Å is 1eV. What is the threshold wavelength of radiation for that surface?

A radiation is incident on a metal surface of work function 2.3 eV. The wavelength of incident radiation is 60 nm, then the number of photoelectrons is