What is the spectrum why do different colour deviate?
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First part:-
Spectrum is the band of seven components or colours (VIBGYOR)
If white light obtained due to dispersion.
Second part:-
The difference in the speed and wavelength of the light results in deviation.
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Adarsh....
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A spectrum is a band of seven different colors at a definite proportions it seems to be a white light . when a beam of white light is passed through a glass prism, is called spectrum of white light.
when this spectrum of light undergoes refraction , the colors with the shorter wave length deviates first (being violet )and then the colors with longer wave length deviates last (being red).
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