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10^–3 W of 5000 Å light is directed on a photoelectric cell. If the current in the cell is 0.16 µA,

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10–3 W of 5000 Å light is directed on a photoelectric cell. If the current in the cell is 0.16 µA, the percentage of incident photons which produce photo electrons, is

(A) 0.4% 

(B) .04% 

(C) 20% 

(D) 10%

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Correct option: (B) .04%

Explanation:

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