When light of wavelength 250 nm shines on a metal surface the maximum kinetic energy of the photoelectrons is 1.82 eV. What is the maximum wavelength (in nm) of light that will produce photoelectrons from this surface?

this is poiselle's equation from fluid mechanic in physics. mech eng

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.