Question

28. Find the de Broglie wavelength of photoelectrons
ejected with maximum kinetic energy, when light of
wavelength 100 nm is incident on a cesium surface.
(Work function of cesium = 3.4 eV)
(1) 2
(2) 4
(3) 1.2 Å
(4) 2​

Answer 1

Answer:

.....................................................