Light of wavelength λ = 525 nm in air enters a glass prism. The index of refraction of air is na and the index of refraction of glass is ng. Randomized Variablesλ = 525 nm Part (a)  Express the wavelength of the light in the glass, λg, in terms of λ, na, and ng.   Part (b)  Express the velocity of light in the glass, vg, in terms of the speed of light in air va, and the indices na and ng.   Part (c)  Calculate vg, in meters per second, assuming na = 1 and ng = 1.75.

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