when a white ray of light passes through a prism it is dispersed why ? does violet colour deviates most but red colour deviates least while dispersed by a prism
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When a white ray of light passes through a prism then a band of seven colours,VIBGYOR,is obatined known as Spectrum.
This happens due to different color have different wavelenght and it is inversly prop. to the speed of light in the medium. Therefore Violet with the least waveleght(4000 A) gets deviated the most and red light(8000 A) the least.
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