Wavelengths belonging to the Balmer series for a hydrogen atom lying in the range to…

PHYSICS · Subjective · A Level · Physics · Particles and radiation · Particles and radiation

Problem

Wavelengths belonging to the Balmer series for a hydrogen atom lying in the range

450\text{ nm}

750\text{ nm}

are used to eject photoelectrons from a metal surface whose work function is

2.0\text{ eV}

. Find, in

\text{eV}

, the maximum kinetic energy of the emitted photoelectrons.