The wavelength of the electron emitted by a metal sheet of work function 5 eV when photons from EMR of wavelength 62 nm strike the metal plate .

The energy required to stop ejection of electrons from a Cu plate is 0.24 eV .Calculate the work function Cu when a radiation of wavelength lambda = 250 nm strikes the plate

The energy required to stop ejection of electrons from a Cu plate is 0.24 eV .Calculate the work function Cu when a radiation of wavelength lambda = 250 nm strikes the plate

The threshold wavelength for ejection of electrons from a metal is 430 nm. The work function for the photoelectric emission from the metal is

The threshold wavelength for ejection of electrons from a metal is 250 nm. The work function for the photoelectric emission from the metal is

The threshold wavelength for ejection of electrons from a metal is 330 nm. The work function for the photoelectric emission from the metal is

The threshold wavelength for ejection of electrons from a metal is 230 nm. The work function for the photoelectric emission from the metal is

The threshold wavelength for ejection of electrons from a metal is 350 nm. The work function for the photoelectric emission from the metal is

The threshold wavelength for ejection of electrons from a metal is 450 nm. The work function for the photoelectric emission from the metal is

The threshold wavelength for ejection of electrons from a metal is 280 nm. The work function for the photoelectric emission from the metal is