Nuclear Physics and RadioactivityHard
Question
1.5 mW of 400 nm light is directed at a photo electron cell. If 0.10% of the incident photons produce photo electrons, the current in the cell is :
Options
A.0.36μA
B.0.48μA
C.0.42μA
D.0.32μA
(b) 
= 
(c) 
= 
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