Photons per second are emitted by a monochromatic lightbulb

Reference no: EM13547039

How many photons per second are emitted by a monochromatic lightbulb (640 ) that emits 45 of power If you stand 15 from this bulb, how many photons enter each of your eyes per second? Assume your pupil is 5.0 in diameter and that the bulb radiates uniformly in all directions

Reference no: EM13547039

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