Work function of a meta surface is $\phi = 1.5 \;eV$. If a light of wavelength $5000Å$ falls on it then the maximum K.E of ejection electron will be -

Question

$\begin{array}{1 1} (1)\;\text{1.2 eV } \\ (2)\; \text{0.98 eV} \\ (3)\; \text{0.45 eV} \\ (4)\; \text{0 eV} \end{array}$