The lowest frequency of light that will cause the emission of photoelectrons from the surface of a metal ( for which work function is `1.65 eV`) will be

The work function of a substance is "3.0eV" .The longest wavelength of light that can cause the emission of photoelectrons from this substance is approximately:

Calculate the threshold frequency of photon for photoelectric emission from a metal of work function 0.1eV.

Calculate the threshold frequency of photon for photoelectric emission from a metal of work function 0.1 eV.

The threshold wavelength for emission of photoelectrons from a metal surface is 6 xx 10^(-7) m. What is the work function of the material of the metal surface ?

The threshold wavelength for emission of photoelectrons from a metal surface is 6xx10^(-7) m. What is the work function of the material of the metal surface ?

What will be the minimum frequency of light source to get photocurrent, from a metal surface having work function 2 eV ?

What will be the minimum frequency of light source to get photocurrent, from a metal surface having work function 2 eV ?

The threshold wavelength for emission of photoelectrons from a metal surface is 6xx10^(-7)m .The work function of the material of the metal surface is.

The work function for a metal is 4eV. To emit a photoelectron of zero velocity from the surface of the metal, the wavelength of incident light should be :