A metal has a work function of $1\mathrm{.}55$ eV $.$ Light with a frequency of $8\mathrm{.}25{10}^{14}Hz$ is incident on the metal. The stopping potential is

$1\mathrm{.}55$ V

$1\mathrm{.}87$ V

$3\mathrm{.}42$ V

$9\mathrm{.}69$ V