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23 Nov 2019
At 510 nm, the wavelength of maximum sensitivity of the humaneye, the dark-adapted eye can sense a 100 ms long flash of light oftotal energy 4.0 times 10^-17 J. (Weaker flashes of light may bedetected, but not reliably.)
If 60\% of the incident light is lost to reflection and absorptionby tissues of the eye, how many photons reach the retina from thisflash?
Express your answer in photons.
At 510 nm, the wavelength of maximum sensitivity of the humaneye, the dark-adapted eye can sense a 100 ms long flash of light oftotal energy 4.0 times 10^-17 J. (Weaker flashes of light may bedetected, but not reliably.)
If 60\% of the incident light is lost to reflection and absorptionby tissues of the eye, how many photons reach the retina from thisflash?
Express your answer in photons.
Deanna HettingerLv2
24 Sep 2019
