When light of wavelength 190 nm falls on a carbon surface, electrons having a maximum kinetic energy of 1.53 eV are emitted. Find values for the following. (a) the work function of carbon eV
(b) the cutoff wavelength nm
(c) the frequency corresponding to the cutoff wavelength Hz

Which lists the fundamental forces in order, from strongest to weakest? strong nuclear, weak nuclear, electromagnetic, gravitational strong nuclear, electromagnetic, weak nuclear, gravitational gravitational, weak nuclear, electromagnetic, strong nuclear electromagnetic, gravitational, strong nuclear, weak nuclear