it collector plate positive potential with respect to emitter. then electron emmited from emitter when falling of radiation my question like that what is going in this process? and it we given negative potential to the collector plate with are to emmiter. what happens in this case.
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In a photoelectric experiment, if the potential difference between the electrodes is equal to the stopping potential and emitter plate is held at negative potential with respect to collector plate then no electron is emitted from the emitter plate. For emission of electron from the the emitter plate the potential difference between the electrodes must be greater than the stopping potential.
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