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Question

1.5 mW of 4000 Å light is directed at a photoelectric cell. If 0.10 per cent of the incident photons produce, photoelectrons, find the current in the cell. [Given: h = 6.6 × 10–34 J-s, c = 3 × 108 m/s and e = 1.6 × 10–19 C] Options: 0.12 μA 0.24 μA 0.36 μA 0.48 μA

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