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A.
white light consist of a mixture of seven different colour
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B.
the refractive index of glass is different from each constituent colour of white light
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C.
the speed of each colour of light in the glass is proportional to the refractive index of glass for each colour
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D.
the speed of each colour of light in the glass is proportional to the angle of refraction in he prism
Correct Answer: Option B
Explanation
Dispersion of white light by a glass prism occurs because the refractive index of glass varies for each color. This difference causes each color to bend at a different angle, resulting in a spectrum of colors.
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