Question

of white light into its seven constituent colours is called..............

Answer 1

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"The white light into its seven constituent colours is called $SPECTRUM$ ."


and the colours are...
VIBGYOR

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Answer 2

The splitting of white light when it passes through a glass prism into its constituent spectrum ofcolours is called dispersion (i.e. violet, indigo, blue, green, yellow, orange and red). 

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