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A narrow beam of white light passes thro...

A narrow beam of white light passes through a triangular glass prism and gets split up into seven colours marked 1 to 7.
A student makes the following statements about the spectrum observed on the screen:
" The colours at positions marked 3, 4 and 5 are similar 'to the colour of the sky, leaf and sunflower respectively." Is the above statement made by the student correct or incorrect ? Justify.

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