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wavelength in vacuum/ wavelength in material = n

650nm/450nm= 1.44=n

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12y ago
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15y ago

Refractive index of that material would be:

n = c / v,

approximately n = (3 * 108) / (1.24 * 108) = 2.42.

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Q: What is the index of refraction of a material in which the speed of light is 1.240 108 ms?
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