The work function for titanium is $4\mathrm{.}33$ eV$.($a$)$ Convert the value of the work function from electron volts to joules. J$($b$)$ Find the cutoff frequency for titanium. Hz$($c$)$ What maximum wavelength of light incident on titanium releases photoelectrons from the titanium's surface? nm$($d$)$ If light of energy $7\mathrm{.}66$ eV is incident on titanium, what is the maximum kinetic energy of the ejected photoelectrons? Give the answer in electron volts. eV$($e$)$ For photons of energy $7\mathrm{.}66$ eV$,$ what stopping potential would be required to arrest the current of photoelectrons? V