Explanation Given data: The refractive index of crown glass is n = 1.51 The frequency of yellow color in air is f = 540 THz ( 540 × 10 12 ) The speed of light (in vacuum or air) is c = 3 × 10 8 m/s Formula used: Refractive index is defined as the ratio of velocity of light from one medium to another. The refractive index, n , of a medium depends on the wavelengths ( λ ) of light in that medium also. The refractive index from one medium to another medium is n = v 1 v 2 = λ 1 λ 2 The expression for refractive index from air to glass is, n = c v The expression of wavelength in glass, λ = v f Explanation: Refer to the expression of refractive index and wavelength. Write the expression of refractive index in terms of velocity. n = c v Substitute 1.51 for n and 3 × 10 8 m/s for c , n = c v 1

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Chapter 24, Problem 2RQ

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The speed of light in a crown glass, its frequency and wavelength, when the refractive index of the glass is about 1.51 for yellow color.

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The speed of light in a crown glass, its frequency and wavelength, when the refractive index of the glass is about 1.51 for yellow color.

Solution Summary: The author explains the retive index of a crown glass, which is 1.51 for yellow color.

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The speed of light in a crown glass, its frequency and wavelength, when the refractive index of the glass is about 1.51 for yellow color.

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Chapter 24 Solutions