liyahsmith5364 liyahsmith5364
  • 02-01-2018
  • Chemistry
contestada

Photosynthesis uses 660-nm light to convert co2 and h2o into glucose and o2. calculate the frequency of this light.

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kayceeports
kayceeports kayceeports
  • 15-01-2018
The unit expressed in 660 nm of light represents the wavelength of light. If you want to determine the frequency, you use the speed of light to relate the two. The formula is:

c = λν
where
λ is the wavelength
ν is the frequency
c is the speed of light = 3×10⁸ m


Apply SI units:
(3×10⁸ m) = (660×10⁻⁹ m)(ν)
Solving for ν,
ν = 4.55×10¹⁴ s⁻¹
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