Find the work function of the metal

Reference no: EM13242153

A 1.0 mW HeNe laser with wavelenght 633 nm is shown on a metal. The photocurrent is reduced to zero with stopping potential of 0.50 volts.

(a) What is the work function of the metal and what is the cutoff wavelength?

(b) If all the laser beam is directed onto the metal, what is the maximun possible photocurrent?

Reference no: EM13242153

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