Egg white

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Egg white

• TMF 2004
• Gymnasium Elišky Krásnohorské

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Scatter of light

• white egg doesnt absorb the light of specific
  frequency
• ? egg is white and white light must be scattered

light source
transmision
white light
sample
detector
scatter
detector
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Colour of light

• colour of light depends on his frequency
• quantity of scattered light can depend on his
  frequency (wave lenght)

lower frequency higher
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Centers of scatter

• small particles (phasic interface) Meis
  scatter
• dependences of quantity scattered light

frequency I f 4
size of particle I V2
? red and orange light is fewer scattered ?
output light is ruddier
So-called Rayleigs scatter - size of particle
must be to 0,1 wave length of light
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Centers of scatter

• fluctuation of concentration
• dependence of quantity scattered light is like
  Rayleigs scatter
• size of particle is size of fluctuation
• the biggest in critical state

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Examples

• Meis scatter
• colloidal solutions
• solutions of tenzides (production of micels)
• body of animals 1)
• fluctuations scatter
• sky
• molecular water solution

1) Greenewalt C.H. Hummingbirds. Doubleday
Company, Inc., New York 1960, page 169