Which consequence results when analyzing birefringent minerals inside polarizing microscopes?

💡 Explanation

The phenomenon of birefringence splits light into two rays with differing refractive indices. Because Constructive Interference causes specific wavelengths (colors) to constructively interfere when recombined after passing through the mineral, a spectrum of colors appear. Therefore colours appear under crossed polars, depending on thickness and orientation, rather than uniform or diminished effects.

• Which consequence results when crystal lattice imperfections narrow existing electronic band gaps?
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• Which outcome explains the chromatic dispersion increase when extending a single-mode fiber optic cable beyond its designed length for 1550 nm light?
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