Question

Based on band gap theory, describe why ruby looks deep red in colour

Answer 1

Answer:

When chromium replaces aluminum in corundum, the chromium atoms absorb certain wavelengths of light and reflect light in the red part of the visible light spectrum. This reflected red light is what your eyes see and gives rubies their distinctive red coloring

Answer 2

Explanation:

the first time she had the opportunity for her to be able and willing and willing and able and able and willing and able