If a surface has a work function 4.0 eV, what is the maximum velocity of electrons liberated from the surface when it is irradiated with ultraviolet radiation of wavelength 0.2`mum`?

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

Calculate the maximum kinetic energy of electrons emitted from a photosensitive surface of work function 3.2eV, for the incident radiation of wavelength 300nm.

A surface is irradiated with ultraviolet radiation of wavelength 0.2 mum . If the maximum velocity of electron liberated from the surface is 8.8 xx 10^(5)m//s , then find the work function of the surface.

Work function of a metal is 2 eV. The maximum wavelength of photons required to emit electrons from its surface is

Work function of a metal is 2 eV. The maximum wavelength of photons required to emit electrons from its surface is

The work function of a metal surface is 4.2 eV. The maximum wavelength which can eject electrons from this metal surface is

Work function of a metl surface is 4.2 eV. The maximum wavelength which can eject electrons from this metal surface is: