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the ollector plate is at 2V w.r.t emitter plate made of copper with a work function 4.5 ev the emmiter is illimunated to a monochromatic light source of 200 nm..find the minimum and maximum kinetic energy of the photoelectron reacting the collector.............its quite obviuos that the min energy will be 2ev but why the max will be 3.71 .....


the ollector plate is at 2V w.r.t emitter plate made of copper with a work function 4.5 ev the emmiter is illimunated to a monochromatic light source of 200 nm..find the minimum and maximum kinetic energy of the photoelectron reacting the collector.............its quite obviuos that the min energy will be 2ev but why the max will be 3.71 .....


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