The colour of light for which the refractive index of glass is minimum?
Question: The colour of light for which the refractive index of glass is minimum?
The colour of light for which the refractive index of glass is minimum is **red**. This is because the refractive index of a medium depends on the wavelength of the light passing through it. The shorter the wavelength, the higher the refractive index, and vice versa. The red light has the longest wavelength among the visible spectrum, so it has the lowest refractive index in glass. This means that it bends the least when it enters or exits a glass prism. The violet light has the shortest wavelength, so it has the highest refractive index in glass, and bends the most .
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