Question

A light beam is incident on a metal target with a work function of

Answer 1

A monochromatic light beam is incient on a barium target, which has a work function of 2.50eV. If a stopping potential of 1.5V is required what is the light beam photon energy (in eV)? ... Light of wavelength 450nm is incident on a target metal which has a work function of 1.8eV......

Answer 2

A monochromatic light beam is incient on a barium target, which has a work function of 2.50eV