The work function of a photosensitive element is 2ev. Calualate the velocity of a photoelectron when the element is exposed to a light of wavelength `4xx10^(3) overset(0)A`.

The work function of a photosensitive element is 2eV. Calculate the velocity of a photoelectron when the element is exposed to a light of wavelength 4xx10^(3) A.

The work function of a photosensitive element is 2eV. Calculate the velocity of a photoelectron when the element is exposed to a light of wavelength 4 xx 10^(3) A.

The work function of a photosensitive material is 2.eV. Calculate its threshold wavelength.

Work function of a photosensitive metal is 1.875 eV. Calculate the wavelength of incident light, which will just cause the emission of photoelectrons.

The work function of a metal is 4.3 eV. Find the K.E. and the velocity of photoelectrons emitted when radiation of wavelength 2500 overset (@)(A) is incident on it. (Mass of electron 9.1 xx 10^-31 kg )

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

A photon electric surface has work function 2 eV. What is the maximum velocity of the photoelectrons ejected by light of wavelength 3,000Å .

The work function of sodium is 2.3 eV. Calculate the maximum wavelength for the light that will cause photoelectrons to be emitted from sodium.

The work function of a metal is 4 eV. What should be the wavelength of the incident radiation for the emission of photoelectrons of zero velocity ?

The work functions for potassium and caesium are 2.25 eV and 2.14 eV respectively. Will the photoelectric effect occur for either of these elements with light of wavelength 5180 overset(@)(A)