Physics - Modern Physics Question with Solution | TestHub

A metal surface of work function $1.13\mathrm{eV}$ is irradiated with light of wavelength $310\mathrm{nm}$. The retarding potential required to stop the escape of photoelectrons is [Take $\frac{\mathrm{hc}}{}=1240\times 10^{-9}\mathrm{SI}$ units]