How many photons per second enter the eye

Reference no: EM13560883

The threshold of dark-adapted (scotopic) vision is 6.0 x 10-11W/m2 at a central wavelength of 500 nm. If light with this intensity andwavelength enters the eye when the pupil is open to its maximumdiameter of 7.5 mm, how many photons per second enter the eye?

photons/s

Reference no: EM13560883

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