A thin beam of white light falls on a face of a glass prism and a spectrum is obtained on a screen. Which of the…

CBSE Class 10 Science PYQ · The Human Eye and the Colourful World · Refraction through a prism and dispersion · 1 Mark · March 2026 · Standard

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91 Mark · March 2026 · Standard

A thin beam of white light falls on a face of a glass prism and a spectrum is obtained on a screen. Which of the following options is the correct sequence of colours from top to bottom on the screen ?

(a)Red, Green, Yellow, Violet, Blue
(b)Red, Yellow, Green, Blue, Violet
(c)Violet, Blue, Green, Yellow, Red
(d)Violet, Red, Green, Yellow, Blue

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(B) / Red, Yellow, Green, Blue, Violet (1 Mark)

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A thin beam of white light falls on a face of a glass prism and a spectrum is obtained on a screen. Which of the…

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