State energy to trigger a series of impulses

Reference no: EM13188417

The optic nerve needs a minimum of 2.0x10^17 J of energy to trigger a series of impulses that eventually reach the brain. Whice choice is closest to the number of 475nm blue photons that are needed?

a. 98

b. 58

c. 78

d. 38

e. 48

Reference no: EM13188417

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