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Published byMilo Lawrence Modified over 6 years ago
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Spectroscopy Copyright © Houghton Mifflin Company. All rights reserved.
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(wavelength) x (frequency) = speed [m/s]
λν = c [3x108 m/s]
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E = h ν
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Visible light from the sun ~ nm Take 500 nm electronic state
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WHAT MAKES A MOLECULE ABSORB LIGHT?
When should you push? AT THE RESONANT FREQUENCY
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AT THE RESONANT FREQUENCY λν=c
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AT THE RESONANT FREQUENCY λν=c VIBRATING DIPOLES!
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λ ν Electromagnetic spectrum
Copyright © Houghton Mifflin Company. All rights reserved.
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E = h ν
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The molecular structure of beta-carotene
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E = h = c/ E = hc/
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