speed is physical, comes from the wave equation
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送交者: pgss 于 2015-06-27, 00:51:49:
回答: same for light.... sunlight of the Rainbow spectrum 由 pgss 于 2015-06-27, 00:47:30:
Frequency is artificial... it is a Fourier component based on sinusoidal form, u can solve a wave equation using any other complete sets of component functions..... eg, BesSEL functions.
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