The optic nerve needs a minimum of 2.0310217 J of energy to trigger a series of impulses
Chapter 7, Problem 7.64(choose chapter or problem)
The optic nerve needs a minimum of 2.0310217 J of energy to trigger a series of impulses that eventually reach the brain. (a) How many photons of red light (700. nm) are needed? (b) How many photons of blue light (475 nm)?
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