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A ray of white light is passed through a glass prism and spectrum is obtained on a screen.a)Name the seven colours of the spectrum in order.(b)Do the colours have the same width in the spectrum?(c)Which of the colour of the spectrum of white light deviates (i) the most? (ii) the least?
A ray of white light is passed through a glass prism and spectrum is obtained on a screen.
a)Name the seven colours of the spectrum in order.
(b)Do the colours have the same width in the spectrum?
(c)Which of the colour of the spectrum of white light deviates (i) the most? (ii) the least?
Class 10 | ICSE | Physics | Selina | Spectrum
A ray of white light is passed through a glass prism and spectrum is obtained on a screen.
a)Name the seven colours of the spectrum in order.
(b)Do the colours have the same width in the spectrum?
(c)Which of the colour of the spectrum of white light deviates (i) the most? (ii) the least?

(a)The seven colours of the spectrum are violet, indigo, blue, green, yellow, orange, and red.

(b) No, the width of the spectrum varies depending on the colour.

(c) (i) Violet is the colour that deviates the most, and

(ii) Red is the colour that deviates the least.

i

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