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Dispersion of White Light by Glass Prism

Which of the ...

Question

Which of the following colour of white light is least deviated by the prism ?
(a) green (b) violet (c) indigo (d) yellow

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Solution

Answer : (d) yellow. Because yellow have highest velocity in glass (prism) and high wavelength than others given in option.

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Q. Which of the following colour of white light is least deviated by the prism?
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(c) indigo
(d) yellow

Q. Which of the following coloured light has the least speed in glass prism?
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Q. During the dispersion of white light by a prism, which of the following colours deviate second least?

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