The optic nerve needs a minimum of 2.0 x 10-17 J of energy to trigger a series of impulses that eventually reach the brain. a)

Question

The optic nerve needs a minimum of 2.0 x 10-17 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)? c) Which color of light is traveling faster?

Kunduz · Accepted Answer

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