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A PMT is used to detect light 532 nm. If 3 fW (that's femtoWatts) of light impact the photocathode, the quantum efficiency is 15%, and

A PMT is used to detect light 532 nm. If 3 fW (that's femtoWatts) of light impact the photocathode, the quantum efficiency is 15%, and the gain of the PMT is 10^5, what will be the total current of photoelectrons at the anode? Express your answer in pA (picoAmps)

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