light quanta of energy 3.5*10^-19J falls on cathode of phto cell the current through cell is reduced to zero by applying potential difference of 0.25Vwhat is work function of cathode
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Expert's answer
2019-09-18T09:51:15-0400
The energy of quanta will be enough to perform work of ejecting electrons from the surface of the metal and to stop the current:
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