In air all colors propagate
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Answer:
Not only the visible spectrum (VIBGYOR) but other Electromagnetic waves as well like radio, gamma, x- rays,etc.This was derived properly by Maxwell. If you have a good high school physics knowledge you must already knew that, irrespective of the wavelength of Electromagnetic spectrum the speed is same for all the waves in the spectrum. Only the energy changes with wavelength (or frequency) given by:
Not only the visible spectrum (VIBGYOR) but other Electromagnetic waves as well like radio, gamma, x- rays,etc.This was derived properly by Maxwell. If you have a good high school physics knowledge you must already knew that, irrespective of the wavelength of Electromagnetic spectrum the speed is same for all the waves in the spectrum. Only the energy changes with wavelength (or frequency) given by:E=hv where h is Planck's constant(=6.62*10^-34 m^2 kg/s) and v= frequency of the em wave.
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