A trained eye in the dark for an extended period of time may pick up a light stimulus from a light source, at the lowest radiated power of 1,210 (- 17) W. Determine how many photons of light with a wavelength of 500nm fall on the retina of the eye every second

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02-05-2021
Physics

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A trained eye in the dark for an extended period of time may pick up a light stimulus from a light source, at the lowest radiated power of 1,210 (- 17) W. Determine how many photons of light with a wavelength of 500nm fall on the retina of the eye every second

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