Chemistry - Atomic Structure Question with Solution | TestHub

If the work function of a metal is $6.63\times 10^{-19}\mathrm{J}$, the maximum wavelength of the photon required to remove a photoelectron from the metal is $\_\_\_\_$ nm. (Nearest integer)

[Given : $\mathrm{h}=6.63\times 10^{-34}\mathrm{J}\mathrm{s}$, and $\mathrm{c}=3\times 10^8\mathrm{m}{\mathrm{s}}^{-1}$ ]