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 :

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

The work function for a metal si 4 eV . To emit a photoelectron of zero velocity from the surface fo the metal the wavelength of incident light showld be :

The work function for a metal is 40 eV . To emit photo electrons of zero velocity from the surface of the metal the wavelength of incident light should be x nm .

The work function for a metal is 40 eV . To emit photo electrons of zero velocity from the surface of the metal the wavelength of incident light should be x nm .

The work function for a metal is 4 eV. To eject the photo electrons with zero velocity the wavelength of the incident light should be

The work function for a metal is 4 eV. To eject the photo electrons with zero velocity the wavelength of the incident light should be

The work function for a metal surface is 2.2 eV. If light of wavelength 5000 overset (@)(A) isincident on the surface of the metal,find the threshold frequency and incident frequency.Will there be an emission of photoelectrons or not?