1.

1.5 mW of 400 nm light is directed at a photoelectric cell. If 0.10 per cent of the incident photons produce photoelectrons, then find the current in the cell.        

A. \[4.8\mu A\]
B. \[48\mu A\]
C. \[1.8\mu A\]
D. \[0.48\mu A\]
Answer» E.


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