Question: A light - emitting diode ( LED ) connected to a 3 . 0 VV power supply emits 4 4 0 nmnm blue light. The

A light-emitting diode (LED) connected to a 3.0 VV power supply emits 440 nmnm blue light. The current in the LED is 21 mAmA , and the LED is 71%% efficient at converting electric power input into light power output.
Part A
How many photons per second does the LED emit?
Express your answer as the number of the photons.
Part A
If you are outside on a cool, dark night, what is the maximum distance from which a python could detect your presence?

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