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Light Absorption and Color Filters

Light is the only source of color. Color pigments (paints, dyes, or inks) show color by absorbing certain parts of the light spectrum and reflecting the parts that remain. Color filters work the same ...

How Fiber Optics Work: Total Internal Reflection

Total internal reflection is what happens when light enters a new medium, or material, at an angle larger than a critical angle. A critical angle is when the incident angle, or the angle at which ligh ...

Visible Light and Matte? At grade

How visible light interacts with matter and classifying matter in terms of light.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

SD 5 - Why are the trees green?

The light of stars crosses the space at an amazing speed; thanks to the light of the sun, we will be aware of being surrounded by objects; in this sequence, the students will have the opportunity of s ...

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