Photoelectron are liberated by altra voilet light of wavelength `3000Å`from a metallic surface for which the photoelectron thershold is `4000 Å` calculate de broglic wavelength of electron with maximum kinetic energy

Photoelectrons are liberated by ultra light of wavelength 2000 Å from a metallic surface for which the photoelectric threshold is 4000Å. Calculate the de Broglie wavelenth of electrons emitted with maximum kinetic energy.

Photoelectrons are liberated by ultra light of wavelength 2000 Å from a metallic surface for which the photoelectric threshold is 4000Å. Calculate the de Broglie wavelenth of electrons emitted with maximum kinetic energy.

Photo electrons are liberated by ultraviolet light of wavelength 3000 Å from a metalic surface for which the photoelectric threshold wavelength is 4000 Å . Calculate the de Broglie wavelength of electrons emitted with maximum kinetic energy.

Photo electrons are liberated by ultraviolet light of wavelength 3000 Å from a metalic surface for which the photoelectric threshold wavelength is 4000 Å . Calculate the de Broglie wavelength of electrons emitted with maximum kinetic energy.

Light of wavelength 4000 Å is incident on a sodium surface for which the threshold wavelength of photoelectrons is 5420 Å. The work function of sodium is

Photoelectrons of threshold wavelength350 nm are emited by u.v light of 250 nm wavelength, from a metal surface. Calculate the kinetic energy of the emitted electrons.

Photoelectric work- function of a metal is 1 eV. Light of wavelength lambda = 3000 Å falls on it. The photoelectrons come out with maximum velocity