The cathode of a photocell is irradiated with light of wavelength `3000 Å`. The current through the cell is found to stop when the potential of the pl
The cathode of a photocell is irradiated with light of wavelength `3000 Å`. The current through the cell is found to stop when the potential of the plate is 2.1 V just below the cathode. Calculate the work function of the cathode.
5 views