iquidsalso produce absorption of light, as we have already seen inthe chapter on color. If a colored liquid, such as a solution ofcopper sulphate, potassium permanganate, or chlorophyll, isplaced in front of the slit of a spectroscope, and the light froma source that would of itself alone give a… … Figure 63 produced by sodium vapor in a Bunsen flame, but broad andhazy. They are called absorption bands. Figure 63 (A) is aphotograph of the absorption spectrum of an alcoholic solutionof chlorophyll, the green coloring matter of plants. Figure 63(B^ is a photograph of the complete spectrum, with…
Light
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