Lag1989 problem number 23.35

Lag1989 problem number 23.35

To stop the photoelectric effect caused by irradiation with ultraviolet light of the platinum plate, a retarding potential difference of 3.7V should be applied. If the platinum plate is replaced by another plate, the delaying potential difference will have to be increased to 6V. Determine the work function of electrons from the surface of this plate.

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