In a photoelectric setup, three metals M1,M2 and M3 with work functions ϕ1,ϕ2 and ϕ3 respectively (0<ϕ1<ϕ2<ϕ3), are illuminated with light of frequency v and wavelength λ. The currents i and voltages V are registered. The stopping potential and cut off wavelength are denoted by V0 and λ0, respectively. Which plot below could be a possible outcome of the experiment?

In a photoelectric setup, three metals M1,M2 and M3 with work function

1.	In a photoelectric setup, three metals M1,M2 and M3 with work functions ϕ1,ϕ2 and ϕ3 respectively (0<ϕ1<ϕ2<ϕ3), are illuminated with light of frequency v and wavelength λ. The currents i and voltages V are registered. The stopping potential and cut off wavelength are denoted by V0 and λ0, respectively. Which plot below could be a possible outcome of the experiment?
Answer» In a photoelectric setup, three metals $M_{1}, M_{2}$ and $M_{3}$ with work functions $ϕ_{1}, ϕ_{2}$ and $ϕ_{3}$ respectively $(0 < ϕ_{1} < ϕ_{2} < ϕ_{3})$ , are illuminated with light of frequency v and wavelength $λ$ . The currents i and voltages V are registered. The stopping potential and cut off wavelength are denoted by $V_{0}$ and $λ_{0}$ , respectively. Which plot below could be a possible outcome of the experiment?