Estimate how many photons per second enter the eye

Reference no: EM13650919

The threshold of dark-adapted (scotopic) vision is 6.0 multiplied by10-11 W/m2 at a central wavelength of500 nm. If light with this intensity andwavelength enters the eye when the pupil is open to its maximumdiameter of 8.0 mm, how many photons persecond enter the eye?

photons/s

Reference no: EM13650919

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