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For which colour, the refractive index of glass is maximum?

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Question

For which colour, the refractive index of glass is maximum?

Options

  • Red

  • Violet

  • Green

  • Yellow

MCQ
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Solution

Violet

Explanation:

Refractive index is inversely proportional to wavelength. Violet light has the shortest wavelength, so glass slows it down the most.

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Chapter 4: Refraction of Light at Plane Surfaces - EXERCISE [Page 100]

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Lakhmir Singh Physics [English] Class 10 ICSE
Chapter 4 Refraction of Light at Plane Surfaces
EXERCISE | Q 1. | Page 100
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