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Why frequency does not change when light passes through the denser medium? [duplicate]
as far as I noticed always people in physics have a predefined assumption that frequency is constant. whereas we know that the c is the outcom of product of wavelength and frequency. we have different ...
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Is information about the speed of light hidden in its spectrum?
Can the speed of light in the vacuum (c) be inferred from the spectrum of light?
If that is not the case is it possible to tell from lights spectrum that it has entered a different medium, e.g. can ...
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