So if we consider a green leaf on a tree, the atoms of the chlorophyll molecules in the leaf are absorbing most of the frequencies of visible light (except for green) and reflecting the green light to our eyes. As we sight at various objects in our surroundings, the color that we perceive is dependent upon the color(s) of light that are reflected or transmitted by those objects to our eyes. The frequencies of visible light that are not absorbed are either transmitted (by transparent materials) or reflected (by opaque materials). As discussed earlier in Lesson 2, the interaction of visible light with matter will often result in the absorption of specific frequencies of light. This white light is incident towards Earth and illuminates both our outdoor world and the atmosphere that surrounds our planet. ![]() Since sunlight consists of light with the range of visible light frequencies, it appears white. Some of these frequencies fall within the visible light spectrum and thus are detectable by the human eye. The sun emits light waves with a range of frequencies.
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