The cone cells of the human eye are sensitive to three wavelength ranges, which the eye interprets as blue (419 nm), green (531 nm), and red (558 nm). If the optic nerve in the eye requires 2.0 x 1017 J of energy to initiate the sight impulses to the brain, how many photons of blue light (419 nm), green light (531 nm), and red light (558 nm) are needed to see these colors? The value of Planck's constant, h, is 6.63 x 10 34 J-s.

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Ch. Ex. 111 - Relating Wavelength and Energy to Number of Photons
15
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Be sure to answer all parts.
Hint
The cone cells of the human eye are sensitive to three wavelength ranges, which the eye interprets as
blue (419 nm), green (531 nm), and red (558 nm). If the optic nerve in the eye requires 2.0 × 10-17 J of
energy to initiate the sight impulses to the brain, how many photons of blue light (419 nm), green light
(531 nm), and red light (558 nm) are needed to see these colors? The value of Planck's constant, h, is
6.63 x 10-34 J-s.
Solution
Guided Solution
blue light:
photons
green light:
photons
red light:
photons
Transcribed Image Text:Ch. Ex. 111 - Relating Wavelength and Energy to Number of Photons 15 Check my work Be sure to answer all parts. Hint The cone cells of the human eye are sensitive to three wavelength ranges, which the eye interprets as blue (419 nm), green (531 nm), and red (558 nm). If the optic nerve in the eye requires 2.0 × 10-17 J of energy to initiate the sight impulses to the brain, how many photons of blue light (419 nm), green light (531 nm), and red light (558 nm) are needed to see these colors? The value of Planck's constant, h, is 6.63 x 10-34 J-s. Solution Guided Solution blue light: photons green light: photons red light: photons
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