The minimum number of photons of green light that can be detected by the human eye is 6.
Given that;
E = nhc/λ
E = energy of the photon = J
n = number of photons = ?
h = Planks constant = Js
c = speed of light = m/s
λ = m
Making number of photons the subject of the formula;
n =
n = 6 photons
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