The stopping potential `(V_(0))` versus frequency (v) plot of a substance is shown in figure, the threshold wavelength is

The stopping potential (V_0) versus frequency (v) plot of a substance is shown in figure. The threshold wave length is

The stopping potential vs frequency plot for a substance is shown in the figure. The work function of the substance is

In a photoelectric effect experiment, the graph of stopping potential V versus reciprocal of wavelength obtained is shown in the figure. As the intensity of incident radiation is increased :

In a photoelectric effect experiment, the graph of stopping potential V versus reciprocal of wavelength obtained is shown in the figure. As the intensity of incident radiation is increased :

The graph between the stopping potential V_(0) and frequency v for two different metal plates P and Q are shown in the figure. Which of the metals has greater threshold wavelength and work function.

The graph between the stopping potential V_(0) and frequency v for two different metal plates P and Q are shown in the figure. Which of the metals has greater threshold wavelength and work function.

When a metal is illuminated by light of wavelength lambda , the stopping potential is V_@ and for wavelength 2lambda , it is 3V_@ .Then the threshold wavelength is ?