In a photoelectric experiment, the collector plate is at 2.0 V with respect to the emitter plate made of copper ( = 4.5e V). The emitter is illuminated by a source of monochromatic light of wavelength 200 nm. The maximum kinetic energy of the photo electrons reaching the collector is ----eV
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The graph between and stopping potential (V) of three metals having work functions and in an experiment of photo-electric effect is plotted as shown in the figure. Which of the following statement(s) is/are correct? Here is the wavelength of the incident ray].
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