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A Beam of White Light Falls on a Glass Prism. the Colour of Light Which Undergoes the Least Bending on Passing Through the Glass Prism Is: (A) Violet (B) Red (C) Green (D) Blue

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Question

A beam of white light falls on a glass prism. The colour of light which undergoes the least bending on passing through the glass prism is:
(a) violet
(b) red
(c) green
(d) blue

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Solution

 red

The colour red undergoes the least bending on passing through the glass prism as it has longest wavelength.

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Chapter 3: The Human Eyes And The Colorful World - Exercise 4 [Page 289]

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Lakhmir Singh Physics [English] Class 10
Chapter 3 The Human Eyes And The Colorful World
Exercise 4 | Q 29 | Page 289
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