Quote:
Originally Posted by Screwdriverone
Hmmmmmm, interesting point Zuts, however, further down the page it says that;
"Since the speed of light in a material depends on the refractive index, and the refractive index may depend on the frequency of the light, light at different frequencies can travel at different speeds through the same material. This effect is called dispersion"
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This statement is odd. I really don't like how they use the term
"may depend" ??? This seems like a logical error!
There is no doubt that the fequencies are different as the wavelengths are too.