How many photons per second does the led emit

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Reference no: EM132104853

Question: A light-emitting diode (LED) connected to a 3.0 V power supply emits 440 nm blue light. The current in the LED is 16mA , and the LED is 71{\rm \\%} efficient at converting electric power input into light power output. How many photons per second does the LED emit?

Reference no: EM132104853

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